Answer
$0.38$
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.
$\sin (\dfrac{\pi}{8})=0.3826834324 \approx 0.38$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
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
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