239-Graphs of Trigonometric Functions

afrewin, Ronan Downes, Mar 12, 2020

Applets that allow students to explore the relationships between the Unit Circle and the trigonometric functions, as well as the effects of transformations on those functions.


  • 1. Illustrating Sine with the Unit Circle
  • 2. Illustrating Cosine with the Unit Circle
  • 3. Exploring the Graphs of the Sine and Cosine Functions
  • 4. Illustrating Tangent with the Unit Circle
  • 5. Illustrating Cotangent with the Unit Circle
  • 6. Illustrating Cosecant with the Unit Circle
  • 7. Illustrating Secant with the Unit Circle

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Illustrating Sine with the Unit Circle

The following applet allows you to explore the relationship between the Unit Circle and the function y=sin(x), where x is the angle graphed on the Unit Circle. Change the angle by dragging the slider. If you want to see the relationship for a specific angle, type that angle in the input box.
– afrewin

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