Answer
See the graph of the function below.
$$f(\theta)=\cos \left(2\left(\theta-\frac{\pi}{2}\right)\right),\ \ \ \theta\in[0,\pi/2]$$
Work Step by Step
$$f(\theta)=\cos \left(2\left(\theta-\frac{\pi}{2}\right)\right),\ \ \ \theta\in[0,\pi/2]$$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 1 - Precalculus Review - 1.4 Trigonometric Functions - Exercises - Page 31: 36
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