Q. 145.0( 4 Votes )

# Find the angle be

Answer :

Given .

Let the angle between vectors and be θ.

We know the cross product of two vectors and forming an angle θ is where is a unit vector perpendicular to and   is a unit vector   We also have the dot product of two vectors and forming an angle θ is But, it is given that  sin θ = cos θ

tan θ = 1 Thus, the angle between two vectors is .

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