Question

24. Two vectors of equal magnitude are acting at an angle a , such that the magnitude of resultant is equal to magnitude of the vectors. Find the angle between vectors​

Answer 1

Answer:

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Answer 2

Answer:

Here , P=Q=R=x

R2=P2+Q2+2PQcosθ

x2=x2+x2+2x2cosθ

cosθ=−12

θ=120∘ or 240∘

=120∘