## Trigonometry (10th Edition)

Published by Pearson

# Chapter 1 - Trigonometric Functions - Section 1.4 Using the Definitions of the Trigonometric Functions - 1.4 Exercises: 60

#### Answer

Impossible. They both should have the same sign.

#### Work Step by Step

Because cosine and secant are reciprocal functions $\cos\theta=\frac{1}{\sec\theta}$

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