180o
90o
0o
45o
If θ is the angle between two vectors only when
0 < θ < π/2
0 ≤ θ ≤ π/2
0 < θ < π
0 ≤ θ ≤ π
The value of is
0
-1
1
3
Direction of zero vector
Does not exist
Is towards origin
Is indeterminate
None of these
2
5
6
16
8
12
√3
√5
√2
If the vectors are perpendicular, then λ is
-14
7
14
1/7
The projection of the vector
5/√3
10/√6
5/√6
10/√3
Collinear
Vertices of a triangle
Vertices of a right angled triangle