Functions Modeling Change: A Preparation for Calculus, 5th Edition

by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.

Published by Wiley

ISBN 10: 1118583191

ISBN 13: 978-1-11858-319-7

Chapter 7 - Trigonometry and Periodic Functions - Review Exercises and Problems for Chapter Seven - Page 316: 32

Answer

$8\pi$ rad.

Work Step by Step

Since $2\pi$ corresponds to one rotation around the unit circle, $4$ rotations equate to $4(2\pi)=8\pi$ rad.

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