# 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

by CK-12 //at grade
Simplifying trigonometric expressions using identities
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## Verifying a Trigonometric Identity

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This lesson uses trigonometric identities to prove other identities.
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## Trigonometric Identities

by CK-12 //at grade
Gives an example of using trigonometric identities to solve proofs.
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