P2 = 40 | V2| |Vil cos(90 - 52 + 61)+20 |V2| |V3| cos(90 - 52 + 63) P3 = 20 | V3| |Vi| cos(90 - 63 + 61) + 20 |V3| |V2| cos(90 - 83 + 62) Q3 = -20 |Va| |Vi| sin(90 - 53 + 61) - 20 | V3| |V2| sin(90 - 53 + 62)+ 40 |V?| Equations (1), (2) and (3) are the required expressions. Please perform the following mathematical operations with step by step as follows: aP2 ad-2 OP2 aP2 a V31 aP3 aP3 aP3 aV3 2Q3 aQ3 aQ3 a V3