Answer
The formula in the form of words is: the sine of the double angle equals two times sine of the angle multiplied by the cosine of the angle.
Work Step by Step
Given above.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
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 - Exercise Set - Page 682: 82
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