50. Consider a random process \(X(t)=\sqrt2 \sin(2\pi t+\phi)\), where the random phase ϕ is uniformly distributed in the interval [ 0,2π] .The auto-correlation E[X(t1)X(t2)]

(D) cos(2π(t1-t2))

(C) sin(2π(t1+t2))

(B) sin(2π(t1-t2))

(A) cos(2π(t1+t2))


Answer-(D) cos(2π(t1-t2))
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