Find the amplitude,peak-to-peak value, average (DC) value, frequency, period, and phase angle of the following sinusoidal waveforms:
a. v(t) =-3V - (12V)cos(2*pi*100t+ π/4)
b. v(t )= 3V+ (12V)sin(2*pi*100t+ π/4)
c. v(t )= 3V+ (12V)cos(2*pi*100(t+ 0.001))
d.v(t) =3V+ (12V)sin2 (2*pi*100t)