Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 5 - Section 5.3 - Double-Angle Formulas - 5.3 Problem Set - Page 297: 35

Answer

$\sin{30}$

Work Step by Step

$\sin{2A} = 2 \sin{A} \cos{A}$ $ 2 \sin{15} \cos{15} = \sin{30}$
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