It us known that A vector + R vector = B vector and R vector perpendicular A vector .The angle between A vector and B vector is

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Yash · Answer

Correct option is B) 2 B ​ = A 2 + B 2 + 2 A B cos θ ​ ....(i) ∴ tan 9 0 o = A + B cos θ B sin θ ​ ⇒ A + B cos θ = 0 ∴ cos θ = − B A ​ Hence, from (i) 4 B 2 ​ = A 2 + B 2 − 2 A 2 ⇒ A = 3 ​ 2 B ​ ⇒ cos θ = − B A ​ = − 2 3 ​ ​ ∴ θ = 1 5 0 o

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It us known that A vector + R vector = B vector and R vector perpendicular A vector .The angle between A vector and B vector is

It us known that A vector + R vector = B vector and R vector perpendicular A vector .The angle between A vector and B vector is

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It us known that A vector + R vector = B vector and R vector perpendicular A vector .The angle between A vector and B vector is

It us known that A vector + R vector = B vector and R vector perpendicular A vector .The angle between A vector and B vector is

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