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Determine whether or not each of the following continuous- time signal is periodic. If the signal is periodic , determine its fundamental period. a) x(t)=2cos(2t+/4)

Determine whether or not each of the following continuous- time signal is periodic. If the signal is periodic , determine its fundamental period. a) x(t)=2cos(2t+/4) b) x(t)=2cos(10t+1)sin(v2t1) c) x(t)=sin2(4t)

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