Answer
4 is the period
Work Step by Step
We find the period of the function:
$$=\frac{2\pi}{\frac{\pi}{2}} \\ =4$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 14 Trigonometric Graphs, Identities, and Equations - Chapter Review - Page 965: 3
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