Question: 2.19 An amplitude modulated (AM) waveform is given by f(t) = [40 20 sin (2nt + a/6)] cos Sat Show that At) can be

2.19 An amplitude modulated (AM) waveform is given by f(t) = [40

2.19 An amplitude modulated (AM) waveform is given by f(t) = [40 20 sin (2nt + a/6)] cos Sat Show that At) can be represented as f(t) = a, cos (o,t+0,) +aj cos (@zt + 02) + az cos (mzt + 03) and detemine a1, a2, a3, 01, 02, 02, 01,02, and 03.

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