Question: Determine the autocorrelation xx(m) of the random sequence x(n) = A cos(1n + ) Where the amplitude A and the frequency 1 are (known) constant

Determine the autocorrelation γxx(m) of the random sequence
x(n) = A cos(ω1n + ø)
Where the amplitude A and the frequency ω1 are (known) constant and ø is a uniformly
distributed random phase over the interval (0, 2π).

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