Answer
See below
Work Step by Step
P=0.001 sin 880t
The period is $2\pi/880$=$\pi/440$
Frequency = 1/period=1/($\pi/440$)=$440/\pi$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 14 Trigonometric Graphs, Identities, and Equations - 14.1 Graph Sine, Cosine, and Tangent Functions - 14.1 Exercises - Problem Solving - Page 913: 30
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