Question

The vectors A and B are such that A+
(A) 750
(B) 450
= A - B The angle between the two vectors is
(C) 90°
(D) 60°​

Answer 1

Answer:

answer will be c

Explanation:

apply the formula

a square + b square + 2 a b cos theta =

a square + b square - 2 a b cos theta