Let `|vec a| = |vec b| = |vec a-vec b| = 1`. Then the angle between `vec a and vec b` is

If |vec a - vec b| = |vec a| = |vec b| =1 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 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|=|vec b|=|vec a-vec b| then the angle between vec a and vec b is

vec a + vec b + vec c = vec 0, | vec a | = 3, | vec b | = 5, | vec c | = 7 then angle between vec a and vec b is

If vec a and vec b are unit vectors |vec a xx vec b| =1 then the angle between vec a and vec b is

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. vec b = ~ |vec a||vec b| then angle between vec a and vec b is

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