7. For the signal, x(t) = log(cos(a*pi*t+d)) for a the time period of the signal, if periodic? a) 0.16s b) 0.08s c) 0.12s d) 0.04s 25 Hz, what is %3D

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7. For the signal, x(t) = log(cos(a*pi*t+d)) for a = 25 Hz, what is
the time period of the signal, if periodic?
a) 0.16s
b) 0.08s
c) 0.12s
d) 0.04s
Transcribed Image Text:7. For the signal, x(t) = log(cos(a*pi*t+d)) for a = 25 Hz, what is the time period of the signal, if periodic? a) 0.16s b) 0.08s c) 0.12s d) 0.04s
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