Question: si(t) = A cos (2 fet) 0tT 82(t) = A cos (2(fe+Af)t) 0tT (1) a) Show that Af = 1/27 is the minimum value

si(t) = A cos (2 fet) 0tT 82(t) = A cos (2(fe+Af)t)

si(t) = A cos (2 fet) 0tT 82(t) = A cos (2(fe+Af)t) 0tT (1) a) Show that Af = 1/27 is the minimum value of Af that ensures that s(t) and s2(t) are orthogonal. b) Determine the value of A such that both s(t) and s2(t) have unit energy.

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