Find the average and rms values of x(t) when:
x(t) = 3 cos(7?t) + 4
Analysis:
The average value of a sinusoid is 0. x(t) is a normal sinusoid raised by 4 on the y-axis(Voltage).
Therefore the average of x(t) is equal to 4.
The rms voltage is found using the following equation:
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