Question

If A.B =A×B than angle between them =?​

Answer 1

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

Answer 2

Answer:

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