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Consider the signal x(t) = sin (2nt +42) cos(20nt) (a) Calculate and plot the Fourier transform of y(t) = x(t) cos(20nt) using impulse functions.

Consider the signal x(t) = sin (2nt +42) cos(20nt) (a) Calculate and plot the Fourier transform of y(t) =

Consider the signal x(t) = sin (2nt +42) cos(20nt) (a) Calculate and plot the Fourier transform of y(t) = x(t) cos(20nt) using impulse functions. (b) Specify a frequency response of a filter that returns an output signal proportional to cos (2nt +42)

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