Question: Let x_a(t) = cos(650 pi t) + 2 sin(720 pi t) (a) What is the Nyquist rate for x_a(t)? (b) If x_a(t) is sampled at

Let x_a(t) = cos(650 pi t) + 2 sin(720 pi t)

Let x_a(t) = cos(650 pi t) + 2 sin(720 pi t) (a) What is the Nyquist rate for x_a(t)? (b) If x_a(t) is sampled at twice the Nyquist rate, what are the frequencies of the sinusoids in the sampled sequence

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