Sine and Cosine in 3D

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Why do the sine and cosine graphs look the way they do? To see, vary the angle uniformly with time and plot the height of the triangle formed on the wall and the width on the floor.

External Links

A Sine/Cosine Identity
Relationship of Sine and Cosine to the Unit Circle
Spinning Out Sine and Cosine

Permanent Citation

Brian Burns
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​"Sine and Cosine in 3D"​
​http://demonstrations.wolfram.com/SineAndCosineIn3D/​
​Wolfram Demonstrations Project​
​Published: November 27, 2012