Find the angle between the lines whose direction ratios are `a,b,c and b-c,c-a,a-b`.

Find the acute angle between two lines whose direction ratios are and

Find the obtuse angle between two lines whose direction ratios are : and

Find the angle between the lines whose direction ratios are proportional a,b,c and b-c,c-a,a-b.

Find the angle between the lines whose direction ratios are: 2,-3,4 and 1,2,1 . a) 0 b) pi/6 c) pi/3 d) pi/2

Find the angle between the lines whose direction ratios are proportional a ,b ,c and b-c ,c-a ,a-bdot

Find the angle between the lines whose direction ratios are proportional a ,b ,c and b-c ,c-a ,a-bdot

The angle between the lines whose direction ratios are and is given by :

The angle between pair of lines whose direction-ratios are and is:

The angle between the lines whose direction ratios are and is given by :

The angle between the lines whose direction ratios are and is given by :