Answer
$sin~x~cos~x=\frac{1}{2}~sin~2x$
Work Step by Step
Use: $sin~2x=2~sin~x~cos~x$
$sin~x~cos~x=\frac{1}{2}(2~sin~x~cos~x)=\frac{1}{2}~sin~2x$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 7 - 7.5 - Multiple-Angle and Product-to-Sum Formulas - 7.5 Exercises - Page 548: 16
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