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: 12


(a) $a$ (b) $\sin\theta$

Work Step by Step

(a) $\frac{a/b}{1/b}$ = ${\frac{a}{b}}\times{\frac{b}{1}}$ = $\frac{a}{1}$ = $a$ (b) $\frac{\sin\theta/\cos\theta}{1/\cos\theta}$ = ${\frac{\sin\theta}{\cos\theta}}\times{\frac{\cos\theta}{1}}$ = $\sin\theta$
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