The projection of the vector
5/√3
10/√6
5/√6
10/√3
√3
√5
√2
5
0
1
2
3
Collinear
Vertices of a triangle
Vertices of a right angled triangle
None of these
The value of is
-1
-25
25
20
Find the angle θ between the vectors
sin-1(1/3)
sin-1(-1/3)
cos-1(1/3)
cos-1(-1/3)
30
60
90
6
If θ is the angle between two vectors only when
0 < θ < π/2
0 ≤ θ ≤ π/2
0 < θ < π
0 ≤ θ ≤ π
