Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 5 - Section 5.3 - Double-Angle, Power-Reducing, and Half-Angle Formulas - Concept and Vocabulary Check - Page 679: 10

Answer

The required solution is False.

Work Step by Step

The given statement shows that there are two ways of writing the double angles in any trigonometric function that is as given below: $\sin \,2\alpha =2\,\sin \alpha $ That statement is not true because the numbers "2" in the double angle formula do not get pulled to the front and written as the coefficient as they do not coincide with each other and are not equal to each other.
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