Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 14 - Trigonometric Identities and Equations - 14-1 Trigonometric Identities - Practice and Problem-Solving Exercises - Page 909: 44


$\pm\sqrt {1+cot^{2}\theta}$

Work Step by Step

By Identity, $csc^{2}\theta=1+cot^{2}\theta$. Taking the square-root on both sides gives: $$csc\theta=\pm\sqrt{1+cot^{2}\theta}$$
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