Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 6 - Analytic Trigonometry - Chapter Review - Review Exercises - Page 528: 76

Answer

$0.78$

Work Step by Step

In order to get the answer in radians, we want to set the calculator into radians mode, and use the inverse sine function (round off the result to two decimal places) to obtain: $\sin^{-1} (0.7) \approx 0.78$
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