Answer
-0.70 radians
Work Step by Step
To convert degrees to radians, multiply degrees by $\frac{\pi radians}{180°}.$
So -40° = -40$^\circ$ x $\frac{3.142}{180°}$
= -0.70 radians.
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: 31
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