## Trigonometry (11th Edition) Clone

Published by Pearson

# Chapter 1 - Trigonometric Functions - Section 1.3 Trigonometric Functions - 1.3 Exercises - Page 28: 31

#### Answer

Cosine in second quadrant is negative

#### Work Step by Step

In II quadrant x is negative and r is always positive, therefore $\frac{x}{r}$ is negative as well.

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