If ` vec a and vec b` are two non-zero vectors such that `| vec a xx vec b| = vec a . vec b`, then angle between `vec a` and `vec b`

If vec a and vec b are two non-zero vectors such that |vec a xxvec b|=vec a*vec b, then angle between vec a and vec b

If vec a and vec b are two non- zero vectors such that | vec a + vec b| = |vec a - vec b| , then show that vec a and vec b are perpendicular.

If vec a and vec b are two vectors such that | vec a|=4,| vec b|=3 and vec a . vec b=6 . Find the angle between vec a and vec b .

If vec a and vec b are non - zero vectors and |vec a+ vec b| = |vec a - vec b| , then the angle between vec a and vec b is

If vec a and vec b are vectors such that |vec a + vec b| = |vec a - vec b| , then the angle between vec a and vec b is

If vec a and vec b are unit vectors such that |vec a xx vec b| = vec a . vec b , then |vec a + vec b|^(2) =

If vec a and vec b are two vectors such that |vec a|=4,|vec b|=3 and vec a*vec b=6. Find the angle between vec a and vec b

If vec a and vec b are two vectors such that |vec a|=4,|vec b|=3 and vec avec b=6. Find the angle between vec a and vec b

If vec(a) and vec(b) are two vectors such that |vec(a) xx vec(b)| = vec(a).vec(b) , then what is the angle between vec(a) and vec(b) .