Find the angle θ between the vectors
sin-1(1/3)
sin-1(-1/3)
cos-1(1/3)
cos-1(-1/3)
0
25
-25
20
Direction of zero vector
Does not exist
Is towards origin
Is indeterminate
None of these
30
60
90
√3
√5
√2
5
3
2
6
If the vectors are perpendicular, then λ is
-14
7
14
1/7
If the position vectors of A and B are
√14
√29
√43
√53
180o
90o
0o
45o
