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: 16

Answer

$\sec^{2}\theta$

Work Step by Step

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