Answer
True.
Work Step by Step
$4~sin~45°~cos~15°=4(\frac{1}{2})[sin(45°+15°)+sin(45°-15°)]=2(sin~60°+sin~30°)=2(\frac{\sqrt 3}{2}+\frac{1}{2})=\sqrt 3+1$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 7 - Review Exercises - Page 553: 84
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