Answer
$cot^2x+csc~x-1=(csc~x+2)(csc~x-1)$
Work Step by Step
$cot^2x+csc~x-1=csc^2x-1+csc~x-1=(csc~x+1)(csc~x-1)+1(csc~x-1)=(csc~x+2)(csc~x-1)$
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: 31
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