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Transforming Sinusoidal Graphs

Cool Right Triangle Trigonometry: Worksheets, Formulas & Answers PDF

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Cool Right Triangle Trigonometry: Worksheets, Formulas & Answers PDF
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ChoCho

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Understanding right triangle trigonometry is fundamental to mastering geometry and advanced mathematics.

Right triangle trigonometry formulas form the foundation of solving triangular problems, with the three main ratios being sine (opposite/hypotenuse), cosine (adjacent/hypotenuse), and tangent (opposite/adjacent). These relationships, collectively known as right triangle trigonometry: sin, cos tan, allow students to find missing sides and angles in right triangles. The solving right triangles calculator has become an invaluable tool for checking work, but understanding the underlying concepts is crucial for mathematical development.

Special cases of right triangles deserve particular attention, especially the special right triangles 30-60-90 and special right triangles 45-45-90. In a 30-60-90 triangle, if the shortest side is x, then the hypotenuse is 2x, and the remaining side is x√3. For 45-45-90 triangles, both legs are equal, and if they have length x, the hypotenuse is x√2. These relationships, outlined in special right triangles formulas, are essential for solving more complex geometric problems. Resources like Khan Academy provide comprehensive tutorials and practice problems, while right triangle trigonometry worksheets with answers PDF offer students opportunities to test their understanding. The systematic approach to solving right triangles involves identifying known values, selecting appropriate trigonometric ratios, and applying them correctly to find missing measurements. Students often benefit from practicing with special right triangles worksheets and consulting detailed right triangle trigonometry notes that break down complex concepts into manageable steps. The ability to solve right triangles is not just an academic exercise but forms the basis for real-world applications in fields like engineering, architecture, and physics.

5/11/2023

422

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

View

Understanding Right Triangle Trigonometry Fundamentals

The foundation of right triangle trigonometry centers on six essential functions that define relationships between angles and sides. The primary functions - sine, cosine, and tangent - form the basis for solving right triangles. Using the mnemonic device SOH-CAH-TOA helps remember these ratios: sine equals opposite over hypotenuse, cosine equals adjacent over hypotenuse, and tangent equals opposite over adjacent.

Definition: The hypotenuse is always the longest side of a right triangle and is opposite to the right angle (90°). The opposite side is across from the reference angle, while the adjacent side is next to it.

The remaining three trigonometric functions - cosecant, secant, and cotangent - are reciprocals of sine, cosine, and tangent respectively. When working with a right triangle trigonometry calculator, it's crucial to understand these relationships:

  • Cosecant = 1/sine
  • Secant = 1/cosine
  • Cotangent = 1/tangent

Example: In a right triangle with a 53° angle and hypotenuse of 10 units, we can find the missing sides using these trigonometric ratios. First, determine the third angle by subtracting from 90°, then apply the appropriate ratio based on what you're solving for.

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

View

Special Right Triangles and Their Properties

Special right triangles 30-60-90 and 45-45-90 possess unique characteristics that make them particularly useful in trigonometry. These triangles have consistent ratio relationships between their sides, making them valuable reference tools.

Highlight: The 45-45-90 triangle is isosceles, meaning its legs are equal. If the legs have length x, the hypotenuse will always be x√2.

The special right triangles formulas for 30-60-90 triangles follow specific patterns:

  • The shortest leg (opposite to 30°) = x
  • The hypotenuse = 2x
  • The middle leg (opposite to 60°) = x√3

Vocabulary: In the unit circle, these special triangles help determine exact values at standard angles without using a calculator.

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

View

Unit Circle and Radian Measure

Understanding radian measure is crucial for advanced trigonometry. The unit circle serves as a powerful tool for visualizing angles in both degrees and radians. Key angles, known as quadrantal angles, occur at 0°, 90°, 180°, and 270°.

Definition: A radian is the angle formed when the arc length equals the radius of the circle. One complete rotation equals 2π radians or 360 degrees.

Converting between degrees and radians becomes intuitive with these relationships:

  • 90° = π/2 radians
  • 180° = π radians
  • 270° = 3π/2 radians
  • 360° = 2π radians
<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

View

Evaluating Trigonometric Functions on the Unit Circle

The unit circle provides a powerful method for evaluating all six trigonometric functions without a calculator. On the unit circle, coordinates directly relate to sine and cosine values, while other functions can be derived from these relationships.

Example: At 30° (π/6 radians):

  • sine = 1/2
  • cosine = √3/2
  • tangent = 1/√3

Reference angles help evaluate trigonometric functions for angles in any quadrant. This technique involves finding the acute angle that any angle makes with the x-axis, then applying appropriate sign adjustments based on the quadrant.

Highlight: The unit circle's radius of 1 simplifies calculations since the hypotenuse length is always 1, making trigonometric ratios easier to determine.

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

View

Understanding Trigonometric Functions and Their Properties

When working with right triangle trigonometry, understanding how trigonometric functions behave in different quadrants is essential. The CAST rule helps determine whether trigonometric ratios are positive or negative in each quadrant of the coordinate plane.

Definition: The CAST rule states that All functions are positive in Quadrant I, only Cosine is positive in Quadrant II, only Sine is positive in Quadrant III, and only Tangent is positive in Quadrant IV.

Understanding coterminal angles is another crucial concept in right triangle trigonometry. These are angles that, while having different measures, terminate at the same position on the coordinate plane. To find coterminal angles, simply add or subtract 360° (or 2π radians) to any given angle.

Example: For an angle of 460°:

  • 460° - 360° = 100° (positive coterminal angle)
  • 100° - 360° = -260° (negative coterminal angle)
<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

View

Graphing Trigonometric Functions

The fundamental trigonometric functions - sine, cosine, and tangent - each have distinct graphical characteristics. When working with right triangle trigonometry calculators, understanding these patterns is crucial.

Highlight: Key features of trigonometric graphs include:

  • Period: The distance for one complete cycle
  • Amplitude: Half the distance between maximum and minimum values
  • Midline: The horizontal line halfway between maximum and minimum values

For sine and cosine functions, the standard period is 2π, and the amplitude is 1. Special right triangles formulas help determine key points on these graphs, particularly at angles of 30°, 45°, and 60°.

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

View

Advanced Trigonometric Graphs

The reciprocal functions - cosecant, secant, and cotangent - have more complex graphs featuring asymptotes. These functions are particularly important when solving problems involving special right triangles 30-60-90.

Vocabulary: Asymptotes are lines that a graph approaches but never touches. Vertical asymptotes occur where the denominator of a function equals zero.

When graphing these functions, it's essential to:

  1. Determine the period using π/|b|
  2. Locate vertical asymptotes
  3. Plot key points between asymptotes
<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

View

Modeling with Trigonometric Functions

Applying right triangle trigonometry: sin, cos tan to real-world situations often involves creating mathematical models. When given a graph, finding the appropriate trigonometric function requires analyzing several key features.

Example: To find a trigonometric function from a graph:

  1. Identify the amplitude (a-value)
  2. Determine the period to find the b-value
  3. Locate the midline for the vertical shift (k-value)
  4. Observe any phase shifts or reflections

The same pattern can be represented by either sine or cosine functions, with appropriate phase shifts. This flexibility is particularly useful when solving right triangles in practical applications.

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

View

Understanding Sinusoidal Models Through Real-World Applications

Sinusoidal functions come alive when applied to real-world scenarios like Ferris wheels, which perfectly demonstrate periodic motion. Let's explore how to model the height of a Ferris wheel rider using trigonometric functions and practical problem-solving strategies.

Definition: A sinusoidal model represents cyclical motion using sine or cosine functions, where amplitude represents half the total change, period represents one complete cycle, and vertical shift represents the midline.

When analyzing a Ferris wheel with a 40-foot diameter and an 8-second revolution period, we need to consider several key components. The maximum height of 43 feet and the structural details help us build an accurate mathematical model. The process involves identifying the amplitude (half the total vertical distance), the period (time for one complete revolution), and the vertical shift (the middle point of the motion).

To construct the model, we first determine whether to use sine or cosine based on the starting position and behavior of the motion. For a Ferris wheel starting at its midpoint and moving through its cycle, cosine often provides the most intuitive model. The amplitude equals 20 feet (half the diameter), while the vertical shift of 23 feet centers the oscillation at the wheel's hub height.

Example: The final model becomes h(t) = -20cos(πt/4) + 23, where:

  • -20 represents the amplitude
  • π/4 adjusts the period to 8 seconds
  • +23 shifts the function vertically to match the wheel's center height
<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

View

Practical Applications of Periodic Motion Models

Understanding periodic motion through right triangle trigonometry extends beyond carnival rides to numerous real-world applications. Engineers and physicists use these models to analyze everything from sound waves to electrical currents, making mastery of these concepts crucial for advanced studies.

The process of creating these models develops critical thinking skills and reinforces fundamental trigonometric concepts. Students learn to break down complex problems into manageable steps: drawing diagrams, identifying key measurements, determining appropriate trigonometric functions, and applying transformations.

Highlight: When solving periodic motion problems, always:

  1. Sketch the situation
  2. Identify maximum and minimum values
  3. Calculate the amplitude and period
  4. Determine the appropriate trigonometric function
  5. Apply necessary transformations

These modeling skills connect directly to topics in physics, engineering, and data analysis. Whether studying wave motion, alternating current, or natural cycles, the ability to create and interpret sinusoidal models remains invaluable across scientific disciplines.

Can't find what you're looking for? Explore other subjects.

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SuSSan, iOS User

Love this App ❤️, I use it basically all the time whenever I'm studying

Subjects

/

Algebra 2

/

Trigonometry

/

Transforming Sinusoidal Graphs

Cool Right Triangle Trigonometry: Worksheets, Formulas & Answers PDF

user profile picture

ChoCho

@choyi_tsyz

·

30 Followers

Follow

Subject Expert

Understanding right triangle trigonometry is fundamental to mastering geometry and advanced mathematics.

Right triangle trigonometry formulas form the foundation of solving triangular problems, with the three main ratios being sine (opposite/hypotenuse), cosine (adjacent/hypotenuse), and tangent (opposite/adjacent). These relationships, collectively known as right triangle trigonometry: sin, cos tan, allow students to find missing sides and angles in right triangles. The solving right triangles calculator has become an invaluable tool for checking work, but understanding the underlying concepts is crucial for mathematical development.

Special cases of right triangles deserve particular attention, especially the special right triangles 30-60-90 and special right triangles 45-45-90. In a 30-60-90 triangle, if the shortest side is x, then the hypotenuse is 2x, and the remaining side is x√3. For 45-45-90 triangles, both legs are equal, and if they have length x, the hypotenuse is x√2. These relationships, outlined in special right triangles formulas, are essential for solving more complex geometric problems. Resources like Khan Academy provide comprehensive tutorials and practice problems, while right triangle trigonometry worksheets with answers PDF offer students opportunities to test their understanding. The systematic approach to solving right triangles involves identifying known values, selecting appropriate trigonometric ratios, and applying them correctly to find missing measurements. Students often benefit from practicing with special right triangles worksheets and consulting detailed right triangle trigonometry notes that break down complex concepts into manageable steps. The ability to solve right triangles is not just an academic exercise but forms the basis for real-world applications in fields like engineering, architecture, and physics.

5/11/2023

422

 

9th/10th

 

Algebra 2

33

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

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Understanding Right Triangle Trigonometry Fundamentals

The foundation of right triangle trigonometry centers on six essential functions that define relationships between angles and sides. The primary functions - sine, cosine, and tangent - form the basis for solving right triangles. Using the mnemonic device SOH-CAH-TOA helps remember these ratios: sine equals opposite over hypotenuse, cosine equals adjacent over hypotenuse, and tangent equals opposite over adjacent.

Definition: The hypotenuse is always the longest side of a right triangle and is opposite to the right angle (90°). The opposite side is across from the reference angle, while the adjacent side is next to it.

The remaining three trigonometric functions - cosecant, secant, and cotangent - are reciprocals of sine, cosine, and tangent respectively. When working with a right triangle trigonometry calculator, it's crucial to understand these relationships:

  • Cosecant = 1/sine
  • Secant = 1/cosine
  • Cotangent = 1/tangent

Example: In a right triangle with a 53° angle and hypotenuse of 10 units, we can find the missing sides using these trigonometric ratios. First, determine the third angle by subtracting from 90°, then apply the appropriate ratio based on what you're solving for.

Sign up for free!

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App

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<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

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Special Right Triangles and Their Properties

Special right triangles 30-60-90 and 45-45-90 possess unique characteristics that make them particularly useful in trigonometry. These triangles have consistent ratio relationships between their sides, making them valuable reference tools.

Highlight: The 45-45-90 triangle is isosceles, meaning its legs are equal. If the legs have length x, the hypotenuse will always be x√2.

The special right triangles formulas for 30-60-90 triangles follow specific patterns:

  • The shortest leg (opposite to 30°) = x
  • The hypotenuse = 2x
  • The middle leg (opposite to 60°) = x√3

Vocabulary: In the unit circle, these special triangles help determine exact values at standard angles without using a calculator.

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<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

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Unit Circle and Radian Measure

Understanding radian measure is crucial for advanced trigonometry. The unit circle serves as a powerful tool for visualizing angles in both degrees and radians. Key angles, known as quadrantal angles, occur at 0°, 90°, 180°, and 270°.

Definition: A radian is the angle formed when the arc length equals the radius of the circle. One complete rotation equals 2π radians or 360 degrees.

Converting between degrees and radians becomes intuitive with these relationships:

  • 90° = π/2 radians
  • 180° = π radians
  • 270° = 3π/2 radians
  • 360° = 2π radians

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<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

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Evaluating Trigonometric Functions on the Unit Circle

The unit circle provides a powerful method for evaluating all six trigonometric functions without a calculator. On the unit circle, coordinates directly relate to sine and cosine values, while other functions can be derived from these relationships.

Example: At 30° (π/6 radians):

  • sine = 1/2
  • cosine = √3/2
  • tangent = 1/√3

Reference angles help evaluate trigonometric functions for angles in any quadrant. This technique involves finding the acute angle that any angle makes with the x-axis, then applying appropriate sign adjustments based on the quadrant.

Highlight: The unit circle's radius of 1 simplifies calculations since the hypotenuse length is always 1, making trigonometric ratios easier to determine.

Sign up for free!

Learn faster and better with thousand of available study notes

App

By signing up you accept Terms of Service and Privacy Policy

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

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Understanding Trigonometric Functions and Their Properties

When working with right triangle trigonometry, understanding how trigonometric functions behave in different quadrants is essential. The CAST rule helps determine whether trigonometric ratios are positive or negative in each quadrant of the coordinate plane.

Definition: The CAST rule states that All functions are positive in Quadrant I, only Cosine is positive in Quadrant II, only Sine is positive in Quadrant III, and only Tangent is positive in Quadrant IV.

Understanding coterminal angles is another crucial concept in right triangle trigonometry. These are angles that, while having different measures, terminate at the same position on the coordinate plane. To find coterminal angles, simply add or subtract 360° (or 2π radians) to any given angle.

Example: For an angle of 460°:

  • 460° - 360° = 100° (positive coterminal angle)
  • 100° - 360° = -260° (negative coterminal angle)

Sign up for free!

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<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

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Graphing Trigonometric Functions

The fundamental trigonometric functions - sine, cosine, and tangent - each have distinct graphical characteristics. When working with right triangle trigonometry calculators, understanding these patterns is crucial.

Highlight: Key features of trigonometric graphs include:

  • Period: The distance for one complete cycle
  • Amplitude: Half the distance between maximum and minimum values
  • Midline: The horizontal line halfway between maximum and minimum values

For sine and cosine functions, the standard period is 2π, and the amplitude is 1. Special right triangles formulas help determine key points on these graphs, particularly at angles of 30°, 45°, and 60°.

Sign up for free!

Learn faster and better with thousand of available study notes

App

By signing up you accept Terms of Service and Privacy Policy

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

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Advanced Trigonometric Graphs

The reciprocal functions - cosecant, secant, and cotangent - have more complex graphs featuring asymptotes. These functions are particularly important when solving problems involving special right triangles 30-60-90.

Vocabulary: Asymptotes are lines that a graph approaches but never touches. Vertical asymptotes occur where the denominator of a function equals zero.

When graphing these functions, it's essential to:

  1. Determine the period using π/|b|
  2. Locate vertical asymptotes
  3. Plot key points between asymptotes

Sign up for free!

Learn faster and better with thousand of available study notes

App

By signing up you accept Terms of Service and Privacy Policy

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

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Access to all documents

Improve your grades

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Modeling with Trigonometric Functions

Applying right triangle trigonometry: sin, cos tan to real-world situations often involves creating mathematical models. When given a graph, finding the appropriate trigonometric function requires analyzing several key features.

Example: To find a trigonometric function from a graph:

  1. Identify the amplitude (a-value)
  2. Determine the period to find the b-value
  3. Locate the midline for the vertical shift (k-value)
  4. Observe any phase shifts or reflections

The same pattern can be represented by either sine or cosine functions, with appropriate phase shifts. This flexibility is particularly useful when solving right triangles in practical applications.

Sign up for free!

Learn faster and better with thousand of available study notes

App

By signing up you accept Terms of Service and Privacy Policy

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

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Improve your grades

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Understanding Sinusoidal Models Through Real-World Applications

Sinusoidal functions come alive when applied to real-world scenarios like Ferris wheels, which perfectly demonstrate periodic motion. Let's explore how to model the height of a Ferris wheel rider using trigonometric functions and practical problem-solving strategies.

Definition: A sinusoidal model represents cyclical motion using sine or cosine functions, where amplitude represents half the total change, period represents one complete cycle, and vertical shift represents the midline.

When analyzing a Ferris wheel with a 40-foot diameter and an 8-second revolution period, we need to consider several key components. The maximum height of 43 feet and the structural details help us build an accurate mathematical model. The process involves identifying the amplitude (half the total vertical distance), the period (time for one complete revolution), and the vertical shift (the middle point of the motion).

To construct the model, we first determine whether to use sine or cosine based on the starting position and behavior of the motion. For a Ferris wheel starting at its midpoint and moving through its cycle, cosine often provides the most intuitive model. The amplitude equals 20 feet (half the diameter), while the vertical shift of 23 feet centers the oscillation at the wheel's hub height.

Example: The final model becomes h(t) = -20cos(πt/4) + 23, where:

  • -20 represents the amplitude
  • π/4 adjusts the period to 8 seconds
  • +23 shifts the function vertically to match the wheel's center height

Sign up for free!

Learn faster and better with thousand of available study notes

App

By signing up you accept Terms of Service and Privacy Policy

<h2 id="righttriangletrigonometryformulas">Right Triangle Trigonometry Formulas</h2> <p>In trigonometry, there are six functions that are u

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Practical Applications of Periodic Motion Models

Understanding periodic motion through right triangle trigonometry extends beyond carnival rides to numerous real-world applications. Engineers and physicists use these models to analyze everything from sound waves to electrical currents, making mastery of these concepts crucial for advanced studies.

The process of creating these models develops critical thinking skills and reinforces fundamental trigonometric concepts. Students learn to break down complex problems into manageable steps: drawing diagrams, identifying key measurements, determining appropriate trigonometric functions, and applying transformations.

Highlight: When solving periodic motion problems, always:

  1. Sketch the situation
  2. Identify maximum and minimum values
  3. Calculate the amplitude and period
  4. Determine the appropriate trigonometric function
  5. Apply necessary transformations

These modeling skills connect directly to topics in physics, engineering, and data analysis. Whether studying wave motion, alternating current, or natural cycles, the ability to create and interpret sinusoidal models remains invaluable across scientific disciplines.

Sign up for free!

Learn faster and better with thousand of available study notes

App

By signing up you accept Terms of Service and Privacy Policy

Can't find what you're looking for? Explore other subjects.

Knowunity is the # 1 ranked education app in five European countries

Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.

Ranked #1 Education App

Download in

Google Play

Download in

App Store

Knowunity is the # 1 ranked education app in five European countries

4.9+

Average App Rating

15 M

Students use Knowunity

#1

In Education App Charts in 12 Countries

950 K+

Students uploaded study notes

Still not sure? Look at what your fellow peers are saying...

iOS User

I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D

Stefan S, iOS User

The application is very simple and well designed. So far I have found what I was looking for :D

SuSSan, iOS User

Love this App ❤️, I use it basically all the time whenever I'm studying