π/3
π/6
π/4
π/2
If the position vectors of A and B are
√29
√43
√53
3
2
5
6
0
1
16
8
12
The projection of the vector is
5/√3
10/√6
5/√6
10/√3
If θ is the angle between any two vectors when θ is equal to
π
1800
900
00
450
4
If G is the centroid of a
