Two sinusoidal waves 1 and 2 have peak values Vm1 and Vm². Wave 1 is leading wave 2 by ∠θ. Which of the following is correct?

v1 = Vm1 sin (ωt + θ/2) and v2 = Vm² sin ωt

v1 = Vm1 sin θ and v2 = Vm² cos θ

v1 = Vm1 sin ωt and v2 = Vm² sin (ωt - θ)

Two sinusoidal waves 1 and 2 have peak values Vm1 and Vm². Wave 1 is

1.	Two sinusoidal waves 1 and 2 have peak values Vm1 and Vm². Wave 1 is leading wave 2 by ∠θ. Which of the following is correct?
A.	v1 = Vm1 sin θ and v2 = Vm² cos θ
B.	v1 = Vm1 sin ωt and v2 = Vm² sin (ωt - θ)
C.	v1 = Vm1 sin (ωt + θ/2) and v2 = Vm² sin ωt
D.	none of the above
Answer» C. v1 = Vm1 sin (ωt + θ/2) and v2 = Vm² sin ωt