Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 6 - Inverse Circular Functions and Trigonometric Equations - Section 6.3 Trigonometric Equations II - 6.3 Exercises - Page 274: 48c

Answer

The number of beats per second is $\vert f_1-f_2 \vert$

Work Step by Step

Consider two frequencies $f_1$ and $f_2$. Based on the graphs in the exercises in part (a) and part (b), we can see that the number of beats per second is $\vert f_1-f_2 \vert$
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