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 - Guided Practice for Examples 4, 5, and 6 - Page 927: 7


See below.

Work Step by Step

Using the given identities: $\csc^2(x)(1-\sin^2(x))=(\frac{1}{\sin(x)})^2(\cos^2(x))=(\frac{\cos(x)}{\sin(x)})^2=\cot^2(x)$.
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