If `vec a` and `vec b` are two unit vectors and `theta` is the angle between them, then the unit vector along the angular bisector of `vec a` and `vec b` will be given by

If vec aa n d vec b are two unit vectors and theta is the angle between them, then the unit vector along the angular bisector of vec a and vec b will be given by a. ( vec a- vec b)/(cos(theta//2)) b. ( vec a+ vec b)/(2cos(theta//2)) c. ( vec a- vec b)/(2cos(theta//2)) d. none of these

If vec(a) and vec(b) are the unit vectors and theta is the angle between them, then vec(a) + vec(b) is a unit vector if

If vec(e_(1)) and vec(e_(2)) are two unit vectors and theta is the angle between them, then sin (theta/2) is:

Let vec a\ a n d\ vec b be two unit vectors and alpha be the angle between them, then vec a+ vec b is a unit vectors, if

If vec a\ a n d\ vec b be two unit vectors and theta is the angle between them. Then vec a+ vec b\ is an unit vector, if theta= pi/2 b. (2pi)/3 c. pi/4 d. pi/3

If vec a and vec b are unit Vectors, then what is the angle between vec a and vec b so that sqrt(2) vec a- vec b is a unit vector?

If vec(a) and vec(b) are unit vectors, then the angle between vec(a) and vec(b) for sqrt( 3) vec( a) - vec(b) to be a unit vector is

vec(A) and vec(B) are two Vectors and theta is the angle between them, if |vec(A)xxvec(B)|= sqrt(3)(vec(A).vec(B)) the value of theta is

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

If vec(a) and vec(b) are unit vectors inclined at an angle alpha , then the value of | vec(a) - vec(b)| is