Question: Given the sinusoidal voltage v(t) = 50 cos (30t + 10o) V, find: (a) The amplitude Vm, (b) The period T, (c) The frequency f,

Given the sinusoidal voltage v(t) = 50 cos (30t + 10o) V, find:
(a) The amplitude Vm,
(b) The period T,
(c) The frequency f, and
(d) v(t) at t = 10 ms.

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