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In: Electrical Engineering

In a differential amplifier, the noninverting input is 3cos(600t + 45°) mV and the inverting input...

In a differential amplifier, the noninverting input is 3cos(600t + 45°) mV and the inverting input is 4cos (600t - 45°) mV. The ooutput is vo = 3cos (600t - 45°) + 4.004cos (600t - 45°) V.
The CMRR is of? The unit must be in dB.

Is vo= 3cos(600t + 45 ◦ ) + 4.004cos(600t - 45◦) V

instead of:

vo = 3cos(600t - 45 ◦ ) + 4.004cos(600t - 45 ◦ ) V

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