Answer
-720°
Work Step by Step
To convert radians to degrees, multiply radians by $\frac{180°}{\pi radians}.$
So -4$\pi$ = -4$\pi$ x $\frac{180°}{\pi radians}$
= -720°.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 4 - Section 4.1 - Angles and Radian Measure - Exercise Set - Page 532: 28
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