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Write an expression for the instantaneous voltage ?(?) delivered by an ac generator supplying 130 V...

Write an expression for the instantaneous voltage ?(?) delivered by an ac generator supplying 130 V rms at 60 Hz. Assume the voltage is 0 at time ?=0, and leave the factors in exact form; do not round their values. Write the argument of the sinusoidal function to have units of radians, but omit the units.

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