A sinusoidal voltage source of v(t) = 170 cos(2pi 60 t) V is applied to a nonlinear load, resulting in a nonsinusoidal current that is expressed in Fourier series form as
i(t) = 10 cos(2pi 60t + 30) + 6 cos (4pi 60t + 45) + 3 cos(8pi 60t + 20) A.
Determine the power absorbed in the load?