#50 4.08 questions Precalculus

label Mathematics
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May 14th, 2015

a) maximum displacement occurs when cos = 1.

Therefore maximum displacement is 1/2(1) = 1/2

b) Frequency = 20π

c) d = 0  when cos = 0

cos = 0 when its angle is π/2

therefore,

20π t = π/2

t = 1/40 = 0.025

May 14th, 2015

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May 14th, 2015
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May 14th, 2015
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