# 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.

Contributed by: Brian Burns (November 2012)

Open content licensed under CC BY-NC-SA

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"Sine and Cosine in 3D"

http://demonstrations.wolfram.com/SineAndCosineIn3D/

Wolfram Demonstrations Project

Published: November 27 2012