Sketch the appropriate curves. A calculator may be used. The loudness L (in decibels) of a fire
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Sketch the appropriate curves. A calculator may be used. The loudness L (in decibels) of a fire siren as a function of the time t (in s) is approximately L = 40 − 35cos 2t + 60 sin t. Sketch this function for 0 ≤ t ≤ 10 s.
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Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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