8–3 Transform the following sinusoids into phasor form and draw a phasor diagram. Use the additive property of phasors to find v1ðtÞ + v2ðtÞ + v3ðtÞ.

(a) v1ðtÞ = 100 cosðωt − 45ÞV

(b) v2ðtÞ= 100 cosðωt + 75ÞV

(c) v3ðtÞ = 100 cosðωt + 195ÞV