The two random processes X(t) and Y(t) are aej X(t) = A cos (@, t) + B sin (@n t) Y(t) = B cos (@o t) – A sin (@o) where A and B are random variablės, wo is a constant. Show that, X(t) and Y(t) are jointly wide-sense stationary. Assume that A andB are uncorrelated, zero-mean random variables with same variance irrespective of their density functions. %3D %3D

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