If the angle between the unit vectors `vec(a)` and `vec(b)` is `theta` then prove that `sin""(theta)/(2)=(1)/(2)|hata-hatb|`.

The unit vector bisecting vec(OY) and vec(OZ) is

If the angle between the unit vectors hata " and " hatb is 60^(@) , the |hata-hatb| is :-

The angle between the unit vectors vec(a) and vec(b) is 2theta . Where theta in [0,pi] . If |vec(a)-vec(b)|lt 1 then theta in …………… interval.

The angle between the vectors vecA and vecB is theta. The value of vecA(vecAxx vec B) is -

Angle between vec(a) and vec(b) is 60^(@) then

If theta is angle between two vectors vec(a) and vec(b) then vec(a).vec(b)ge 0 only when …….

Measure of the angle between the vector vec(a)=hati-hatj+hatk and vec(b)=hati+hatj+hatk is …………..

vec(a),vec(b) and vec( c ) are non zero vectors. (vec(a)xx vec(b))xx vec( c )=(1)/(3)|vec(b)||vec( c )|vec(a) . If the acute angle between the vectors vec(b) and vec( c ) is theta then sin theta = ……………