Multimedia: Trigonometry

Multimedia: Trig Graphs

Geometer's Sketchpad Unit Circle
Requires Geometer's Sketchpad
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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
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The values of the tangent function as the terminal side rotates counterclockwise