1800
900
00
450
3
2
5
6
π/3
π/6
π/4
π/2
0
-25
25
20
collinear
vertices of a triangle
vertices of a right angled triangle
none of these
The projection of the vector is
5/√3
10/√6
5/√6
10/√3
Find the angle θ between the vectors
sin-1(1/3)
sin-1(-1/3)
cos-1(1/3)
cos-1(-1/3)
their magnitudes are equal
they originate from the same point
their direction is same
their magnitude as well as direction is same
If the position vectors of A and B are
√29
√43
√53
1
4