## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter 4 - Section 4.6 - Graphs of Other Trigonometric Functions - Exercise Set - Page 609: 9

#### Answer

Please see below.

#### Work Step by Step

Please note that an interval containing two periods can be found by solving the following inequality:$$-\frac{\pi }{2} \lt \frac{x}{2} \lt \frac{3\pi }{2} \quad \Rightarrow \quad -\pi \lt x \lt 3\pi$$

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