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Let x[n] sinn, y[n] = x[n] sin_n, z[n] = x[n]cos/n, and w[n] = y[n]cos n 1. Compute, and sketch the DTFT of y[n]. 2.

Let x[n] sinn, y[n] = x[n] sin_n, z[n] = x[n]cos/n, and w[n] = y[n]cos n 1. Compute, and sketch the DTFT of y[n]. 2. Compute, and sketch the DTFT of z[n]. 3. Compute, and sketch the DTFT of w[n].

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