Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 7 - Trigonometric Identities and Equations - Quiz: 2

Answer

$\dfrac {1+\cos ^{2}x}{\sin ^{2}x}$

Work Step by Step

$\cot ^{2}x+csc^{2}x=\dfrac {\cos ^{2}x}{\sin ^{2}x}+\dfrac {1}{\sin ^{2}x}=\dfrac {1+\cos ^{2}x}{\sin ^{2}x}$
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