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For an amplitude-modulated signal, the carrier is 10 cos ot and the message signal is Am cos oet. Find the modulation index and sketch

For an amplitude-modulated signal, the carrier is 10 cos ot and the message signal is Am cos oet. Find the modulation index and sketch the modulated waveform if Am 4, %3D Am = 10, and Am = 20. %3D

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