Calculus: Early Transcendentals (2nd Edition)

Published by Pearson
ISBN 10: 0321947347
ISBN 13: 978-0-32194-734-5

Chapter 1 - Functions - 1.4 Trigonometric Functions and Their Inverse - 1.4 Exercises: 19

Answer

$=-\frac{\sqrt 3}{3}$

Work Step by Step

$cot(-\frac{13\pi}{3})$ $=\frac{1}{tan(-\frac{13\pi}{3})}$ $=-\frac{\sqrt 3}{3}$
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.