Question

If |Ā-B =AHB I, the angle
between
Ā
and Bis

Answer 1

Answer:

Explanation:

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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