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# Cosine and Secant Graphs

## Wave based on x value and radius of a circle; graph based on the reciprocal.

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## Cosine and Secant Graphs

by CK-12 //at grade
Define the cosine and secant graphs using a unit circle
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• Video

## Animation: Graphing the Cosine Function Using the Unit Circle

by CK-12 //at grade
Shows how the cosine function is graphed by using the unit circle.
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