Answer
-$\frac{2\sqrt 3}{3}$
Work Step by Step
(-$\frac{1}{2}$ , -$\frac{\sqrt 3}{2}$)
csc $\frac{4\pi}{3}$ is computed by $\frac{1}{y}$
So csc $\frac{4\pi}{3}$ = $\frac{1}{-\frac{\sqrt 3}{2}}$ = -$\frac{2\sqrt 3}{3}$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 4 - Section 4.2 - Trigonometric Functions: The Unit Circle - Exercise Set - Page 547: 12
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.
