Question

If A. B = (A *B), then angle between vectors A and B is :-​

Answer 1

Answer:

Correct option is

A

45

o

Given : A.B=A×B

Taking mod on both sides, ∣A.B∣=∣A×B∣

OR ∣A∣∣B∣cosθ=∣A∣∣B∣sinθ

OR sinθ=cosθ

OR tanθ=1

⟹θ=45

o