Determine the frequency and the period of x

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Reference no: EM13250498

Let x(t) = cos(3/4(t+1/2)+1/4)

a. Determine the frequency and the period of x(t)

b. Given another signal, y(t)= sin(3/4(t+1)+3/8), is y(t) identical to x(t)? Why?

c. Given a discrete time signal x[n] = cos(3/4(n+1/2)+1/4) is it periodic? Why?

Reference no: EM13250498

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