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 6.6 Double-angle and Half-angle Formulas - 6.6 Assess Your Understanding - Page 518: 5



Work Step by Step

Recall the trigonometric identity: $\sin (2 \ \theta)= 2 \sin \theta \cos \theta$ Thus, $\sin (2 \ \theta) \ne \sin^2 \theta -\cos^2 \theta$ Hence, the given statement is $\bf{False}$.
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