Question

If A and B are two vectors, then angle between vectors Ā+Band ĀXB is​

Answer 1

Answer:

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

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