math

In electric circuit theory, the phase angle of "true and real" power is expressed in terms of what function in reference to the apparent power?

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  1. The phase angle is expressed in terms of
    the apparent power and cosine function:

    Pa = V*I = Apparent power.

    P = V*I*Cos A = Real power = Power dissipated in the resistance.

    Cos A = P/VI.

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