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

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 7 - Trigonometry and Periodic Functions - 7.2 The Sine and Cosine Functions - Exercises and Problems for Section 7.2 - Exercises and Problems - Page 277: 2



Work Step by Step

One revolution is equal to $360^{\circ}$, so $4$ revolutions is $4(360^{\circ})=1440^{\circ}$
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