Answer
$\dfrac {3}{2}$
Work Step by Step
$r=3\cos \theta =3\cos 60^{0}=3\times \dfrac {1}{2}=\dfrac {3}{2}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 8 - Application of Trigonometry - 8.7 Polar Equations and Graphs - 8.7 Exercises - Page 819: 1
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