hey there.. i just don't know how to start answering this question..

please help me get through this question.. thanks..

A channel has amplitude response and phase shift shown in the link below. State what type of distortion is imposed for each of the inputs given below:

i) (cos 20 pi t) + (2 cos 140 pi t)

ii) (cos 130 pi t) + (6 cos 180 pi t)

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