The angle between the lines whose direction ratios are proportiona to 1,1,2 and `sqrt(3)-1,-sqrt(3)-1,4` is

Find the angle between two lines whose direction ratios are proportional to 1,1,2 and (sqrt(3)-1),(-sqrt(3)-1),4

Find the angle between two lines whose direction ratios are proportional to 1,1,2a n d(sqrt(3)-1),(-sqrt(3)-1),4 .

The acute angle between the lines whose direction ratios are 1, 1, 2 and sqrt(3)-1, -sqrt(3)-1,4 is

The acute angle between the lines whose direction ratios are 1, 1, 2 and sqrt(3)-1, -sqrt(3)-1,4 is: a) 30^(@) b) 45^(@) c) 60^(@) d) 90^(@)

The angle between the lines whose direction ratios are proportional to 1, -2, 1 and 4, 3, 2 is -

The angle between the lines whose direction ratios are proportional to 1, -2, 1 and 4, 3, 2 is………

Write the angle between the lines whose direction ratios are proportional to 1, -2, 1 and 4, 3, 2.

The acute angle between the lines whose direction cosines are proportional to 3,-1,2 and 2,1,-3 is