## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter 4 - Test - Page 647: 5

#### Answer

$\theta$ lies in Quadrant-III.

#### Work Step by Step

$\cos \theta \lt 0$ means that $\theta$ either lies in Quadrant-II or III. $\cos \theta \gt 0$ means that $\theta$ either lies in Quadrant-I or III. Thus, $\theta$ lies in Quadrant-III.

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