Find the Fourier coefficients, cyclic frequency, and radian frequency of the following sinusoids:

(a) \(v(t)=50 \cos \left(100 \pi t+36.9^{\circ}ight) \mathrm{V}\)

(b) \(i(t)=240 \cos \left(1200 \pi t-90^{\circ}ight) \mathrm{mA}\)