Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 1 - Section 1.5 - More on Identities - 1.5 Problem Set - Page 45: 24



Work Step by Step

Given expression is- $\frac{\cos\theta}{\sec\theta}$ = $\frac{\cos\theta}{1/\cos\theta}$ = $\cos\theta \times \frac{\cos\theta}{1}$ = $\cos^{2}\theta$
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