Answer
See graph and explanations.
Work Step by Step
Step 1. Graph the function together with $y=sin(x)$ as shown in the figure.
Step 2. We can see that the given function is a very good approximation to $y=sin(x)$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 4 - Section 4.5 - Graphs of Sine and Cosine Functions - Exercise Set - Page 598: 108
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