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# Proofs of Trigonometric Identities

## Convert to sine/cosine, use basic identities, and simplify sides of the equation.

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## Proofs of Trigonometric Identities

Simplifying trigonometric expressions using identities

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## Verifying a Trigonometric Identity

This lesson uses trigonometric identities to prove other identities.

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• Video

## Trigonometric Identities

Gives an example of using trigonometric identities to solve proofs.

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• Practice
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