Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 8 - Polar Coordinates; Vectors - Section 8.1 Polar Cordinates - 8.1 Assess Your Understanding - Page 591: 20


See the plot below.

Work Step by Step

The point $(-3,\pi)$ is obtained by rotating $\pi= 180^{\circ}$ counterclockwise from the polar axis. to give an angle of $\pi$, and then moving $3$ units backwards (to the right in this case) because $r=-3$ on this line from the pole.
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.