Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 14 Trigonometric Graphs, Identities, and Equations - 14.4 Solve Trigonometric Equations - 14.4 Exercises - Skill Practice - Page 935: 8


See below.

Work Step by Step

Plugging in the given value: $3\cot^4(7\pi/6)-\cot^2(7\pi/6)-24=3(\sqrt3)^4-(\sqrt3)^2-24=27-3-24=0$ Thus, this is indeed a solution.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.