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 5 - Trigonometric Functions - Chapter Review - Review Exercises - Page 459: 41



Work Step by Step

We are asked to use a calculator to compute the result in radian mode and then round-off the result to two decimal places. $\sin (\dfrac{\pi}{8})=0.3826834324 \approx 0.38$
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