Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 5 - Review Exercises - Page 243: 64

Answer

$sin^3~\theta = sin~\theta~-cos^2~\theta~sin~\theta$

Work Step by Step

$sin^3~\theta = sin~\theta~sin^2~\theta$ $sin^3~\theta = sin~\theta~(1-cos^2~\theta)$ $sin^3~\theta = sin~\theta~-cos^2~\theta~sin~\theta$
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