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What is the period of xt equals 3.4 Cos5 Pi t - Pi?

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Anonymous

∙ 13y ago
Updated: 8/20/2019

Assuming the question refers to

x(t) = 3.4*cos(5*pi*t) - pi,

the periodicity of the cos function is 2*pi

So 5*pi*t = 2*pi

or 5*t = 2

or t = 0.4

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Wiki User

∙ 13y ago
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