Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 7 - Trigonometry and Periodic Functions - 7.3 Radians and Arc Length - Exercises and Problems for Section 7.3 - Exercises and Problems - Page 284: 7


$-\frac{3\pi}{2}$ rad.

Work Step by Step

Use the conversion $360^\circ=2\pi \, \textrm{rad.}$ to simplify the expression to $$-270^\circ \cdot \frac{2\pi \, \textrm{rad.}}{360^\circ}=-\frac{3\pi}{2} \, \textrm{rad.}$$
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.