If  are Unit Vectors Such That  is Also A Unit Vector, Then The Angle Between , Is

 and a point P on the line segment BC is equidistant from AB and AC, then  is  

The vector , directed along the internal bisector of the angle between the vectors  with , is  

 are three non-zero vectors which are pair wise non-collinear. If  is collinear with  is collinear with  is:    

 unit vectors such that , then the value of  

If  are unit vectors, then the greatest value of

If the unit vectors  are inclined at an angle 2θ such that  then θ lies in the interval 

Let  be two unit vectors and α be the angle between them, then  is a unit vector, if α =

If  then the angle between  

Let  are two vectors inclined at an angle of 60^o. If  then the angle between   

If  are unit vectors such that