The angle between the lines whose direction cosines are proportional to (1,2,1) and (2,-3,6) is

What is the angle between the lines whose direction cosines are proportional to (2,3,4) and (1,-2,1) respectively?

What is the angle between the lines whose direction cosines are proportional to (2,3,4) and (1,-2,1) respectively

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

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.

Find the angle between the vectors whose direction cosines are proportional to 2,3,-6 and 3,-4,5

Find the angle between the vectors whose direction cosines are proportional to 2,3,-6 and 3,-4,5.

Find the acute angle between the lines whose direction ratios are proportional to 2:3:6 and 1:2: 2.

Find the acute angle between the lines whose direction ratios are proportional to 2:3:6 and 1:2:2.