Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 7 - Analytic Trigonometry - 7.5 Sum and Difference Formulas - 7.5 Assess Your Understanding - Page 488: 76

Answer

$\frac{\sqrt 3}{2}$

Work Step by Step

Step 1. Evaluate $sin^{-1}\frac{\sqrt 3}{2}=\frac{\pi}{3}$ and $cos^{-1}1=0$ Step 2. $sin(sin^{-1}\frac{\sqrt 3}{2}+cos^{-1}1)=sin(\frac{\pi}{3}+0)=sin(\frac{\pi}{3})=\frac{\sqrt 3}{2}$
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