Answer
$\sin \theta$
Work Step by Step
Use the Identity $\sin 2 \theta =2 \sin \theta \cos \theta$
Thus, we have
$\dfrac{ \sin 2 \theta}{ 2\cos \theta}=\dfrac{ 2 \sin \theta \cos \theta}{ 2 \cos \theta}=\sin \theta$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 14 Trigonometric Graphs, Identities, and Equations - 14.7 Apply Double-Angle and Half-Angle Formulas - 14.7 Exercises - Skill Practice - Page 960: 22
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