Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 1 - Trigonometric Functions - Section 1.3 Trigonometric Functions - 1.3 Exercises: 65


$cot (540^{\circ})= undefined$

Work Step by Step

1. What we know about 540 degree angle $\theta=180^{\circ}$ (because it is a co-terminal angle and values of x and y will be the same) $x=-1$ $y=0$ $r=1$ 2. Substitute in: $\cot\theta=\frac{x}{y}=\frac{-1}{0}=undefined$
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.