English: 1/T 0 to T . V_(m) I_(m)/2 - V_(m) I_(m)/2 cos 2 ω t If just integr.ate this, will get it is V * I. V is the rms value and I is the rms value of the voltage and I is the rms value of the cu..ent .
Telugu: V_(m) I_(m)/2 - V_(m) I_(m)/2 cos 2 ω t dt. value. దీన్ని సమాకలనం చేస్తే, అది V * I అవుతుంది.