Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 6 - Analytic Trigonometry - Section 6.4 Trigonometric Identities - 6.4 Assess Your Understanding - Page 496: 1



Work Step by Step

Consider the trigonometry identity: $\sin^2 \theta+\cos^2 \ \theta=1$ Subtract $\cos^2 \ \theta$ from both sides to obtain: $\sin^2 \theta=1-\cos^2 \theta $ Therefore, the given statement is True.
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