## Trigonometry (11th Edition) Clone

Published by Pearson

# Chapter 5 - Trigonometric Identities - Section 5.1 Fundamental Identities - 5.1 Exercises - Page 202: 81

#### Answer

The graphs are exactly the same to the given equation is an identity. Refer to the graph below.

#### Work Step by Step

Use a graphing utility to graph $y=\cos{2x}$ and $y=1-\sin^2{x}$. Refer to the graph above. Since the graph are are exactly the same, then the given equation is an identity.

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