Answer
$cot^3x+cot^2x+cot~x+1=csc^2x(cot~x+1)$
Work Step by Step
Remember that:
$csc^2x=cot^2x+1$
$cot^3x+cot^2x+cot~x+1=cot^2x(cot~x+1)+1(cot~x+1)=(cot^2x+1)(cot~x+1)=csc^2x(cot~x+1)$
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: 27
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
