If vectors A and B have an angle θ between them, then value of |A^-B^| will be
2 cosθ2
2 tanθ2
2 sinθ2
None of these
|A^-B^|=1+1-2×1×1×cosθ=2sinθ2
Angle between A^ and B^ is also θ, but their magnitudes are 1.