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 - 7.3 Radians and Arc Length - Exercises and Problems for Section 7.3 - Exercises and Problems - Page 284: 19

Answer

$8.54\pi$ rad.

Work Step by Step

One rotation around the unit circle is equal to $2\pi$ rad. Therefore, $4.27$ rotations is equal to $(4.27)(2\pi)=8.54\pi$ rad.

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