Answer
Second quadrant
Work Step by Step
$(15^{\circ},135^{\circ})$
Here $r=15^{\circ}$ and $\theta=135^{\circ}$
Since $r>0$ and $90^{\circ}
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 8 - Complex Numbers, Polar Equations, and Parametric Equations - Section 8.5 Polar Equations and Graphs - 8.5 Exercises - Page 387: 1a
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