Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 14 Trigonometric Graphs, Identities, and Equations - 14.3 Verify Trigonometric Identities - 14.3 Exercises - Skill Practice - Page 928: 23


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Work Step by Step

$\tan(-x)\csc x=\frac{\sin(-x)}{\cos(-x)}\frac{1}{\sin(x)}=\frac{-\sin(x)}{\cos(x)}\frac{1}{\sin(x)}=\frac{-1}{\cos(x)}=-\sec(x)$
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