Answer
True
Work Step by Step
The best way to solve this problem is to graph it. Creating the graph, we see that all values are between 0 and $.5\pi$ for the range.
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 9 - Trigonometric Identities, Models, and Complex Numbers - Strengthen Your Understanding - Page 396: 29
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