Find the Inverse Discrete-time Fourier Transform (IDTFT) of the following functions: (a) X(ejwn) = 2+3 cos (w) - 4 sin(2w) (b) X(ejwn) = −3 cos (6w) +5 sin(8w)

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A: I hope this is helpful.

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A: Please find step by step detailed solution in below images.

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