Answer
$cot^2~x-csc^2x=-1$
(b)
Work Step by Step
One of the Pythagorean Identities is:
$1+cot^2~x=csc^2~x$
$cot^2~x-csc^2x=-1$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 7 - 7.1 - Using Fundamental Identities - 7.1 Exercises - Page 513: 14
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