Answer
(a) See the graph.
(b) $(-4\sqrt 2,-4\sqrt 2)$
Work Step by Step
(b)
$x=r~cos~θ$
$x=8~cos~(-\frac{3\pi}{4})=8(-\frac{\sqrt 2}{2})=-4\sqrt 2$
$y=r~sin~θ$
$y=8~sin~(-\frac{3\pi}{4})=8(-\frac{\sqrt 2}{2})=-4\sqrt 2$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 8 - Review - Exercises - Page 622: 2
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.
