0
30
60
90
their magnitudes are equal
they originate from the same point
their direction is same
their magnitude as well as direction is same
Find the angle θ between the vectors
sin-1(1/3)
sin-1(-1/3)
cos-1(1/3)
cos-1(-1/3)
16
8
3
12
1
2
The value of is
-1
If θ is the angle between two vectors only when
0 < θ < π/2
0 ≤ θ ≤ π/2
0 < θ < π
0 ≤ θ ≤ π
-25
25
20
√5
√3
√2
5
The projection of the vector is
5/√3
10/√6
5/√6
10/√3
