Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 5 - Trigonometric Identities - Section 5.2 Verifying Trigonometric Identities - 5.2 Exercises - Page 208: 35

Answer

$$1$$

Work Step by Step

$$\sec r\cos r$$ Rewrite $\sec r$ using Reciprocal Identities $$\frac{1}{\cos r}\times\cos r$$ $$= 1$$
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