Question: Given that v ( t ) = 1 2 0 c o s ( 3 7 7 t + 4 5 ) V , and

Given that
v(t)=120cos(377t+45)V, and ,i(t)=10cos(377t-10)A
Find the instantaneous power and the average power.
Given that v ( t ) = 1 2 0 c o s ( 3 7 7 t + 4 5

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