Question: 5.4 Ans) (a) x(t) = 1+ 4cos at - - 2 cos (2xt ) + 4cos 3at - 4 (b) x(t) = 2+4cos 2xt- TT

5.4 Ans) (a) x(t) = 1+ 4cos at - - 2 cos (2xt ) +
5.4 Ans) (a) x(t) = 1+ 4cos at - - 2 cos (2xt ) + 4cos 3at - 4 (b) x(t) = 2+4cos 2xt- TT + 2 cos 4at + + 2 sin (6 t)

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