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Multimedia: Trig Graphs

Geometer's Sketchpad Unit Circle
Requires Geometer's Sketchpad
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Unit circle on Geometer's Sketchpad

Graphs of Sine and Cosine (QuickTime)

Graph of  f(θ) = sin θ

Graph of  f(θ) = cos θ

Animation: Values of Tangent
Requires Geometer's Sketchpad
(download Sketchpad without purchasing it to view this document)

The values of the tangent function as the terminal side rotates counterclockwise