Question

98. What is the angle between ( p+ q) and (Px q)?
(a) 0

(b)π/2

Cπ/4
(d) 4​

Answer 1

Answer:

tan−1(P/Q). D ... R =(P +Q )+(P −Q ) =2P Thus R is in same direction along P with twice its magnitude. Hence, angle between them is zero.