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: 33



Work Step by Step

$$A=\tan\theta\cos\theta$$ - Quotient Identity: $$\tan\theta=\frac{\sin\theta}{\cos\theta}$$ That makes $A$ into $$A=\frac{\sin\theta}{\cos\theta}\times\cos\theta$$ $$A=\sin\theta$$
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