If ` vec a ,a n d vec b` be two non-collinear unit vector such that ` vec axx( vec axx vec b)=1/2 vec b ,` then find the angle between ` vec a ,a n d vec bdot`

If vec a and vec b are two non collinear unit vectors such that |vec a+vec b|=3, find (2vec a-5vec b)3vec a+vec b

If vec a\ a n d\ vec b are unit vectors such that vec axx vec b is also a unit vector, find the angle between vec a\ a n d\ vec bdot

vec a and vec b are two non-collinear unit vectors vec a,vec b,xvec a-yvec b form a triangle.

If vec a and vec b are two unit vectors such that vec a+vec b is also a unit vector,then find the angle between vec a and vec b.

If vec a and vec b are two unit vectors such that vec a+vec b is also a unit vector then find the angle between vec a and vec b

If vec a and vec b are two non-collinear unit vectors such that |vec a+vec b|=sqrt(3), find (2vec a-5vec b)*(3vec a+vec b)

prove that | vec axx vec b|=( vec adot vec b)t a ntheta, w h e r e theta is the angle between vec a a n d vec bdot

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 unequal unit vectors such that (vec a-vec b)xx[(vec b+vec a)xx(2vec a+vec b)]=vec a+vec b then angle theta between vec a and vec b is 0 b.pi/2 c.pi/4 d.pi

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