Answer
please see image
Work Step by Step
Draw an angle of $\displaystyle \frac{\pi}{4}$ in standard position (blue on the image).
r=4 is positive,
so the point P will lie on the terminal side of the angle,
4 units from the pole (origin).
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 - Section 8.1 - Polar Coordinates - 8.1 Exercises - Page 592: 5
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