What are the direction cosines of a line whose direction ratios are 3,4,12?

STATEMENT-1 : The angle between the lines whose direction ratios are (1, 2, 3) and (-12, 3, 2) is 90^(@) STAEMENT-2 : The direction cosines of a line whose direction ratios are (3, 4, 12) are (3/13, 4/13, 12/13) . STATEMENT-3 : If cosalpha, cosbeta,cosgamma are the direction cosines of a line then sin^(2)alpha + sin^(2)beta +sin^(2)gamma = 2.

What are the direction cosines of Z-axis?

Find the direction cosines of that line whose direction ratios are as follows : (i) 1,-2,2 , (ii) 2,6,3 (iii) 3,1,-2

Write the direction cosine of the line whose Cartesian equations are 2x=3y=-zdot

What are the direction cosines of a line which is equally inclined to the axes?

Write the direction cosines of a line parallel to z-axis.

Define direction cosines of a directed line.

If the direction cosines of a line are lt k, k, kgt then

The direction cosines of a line equally inclined to the axes are:

What are the direction cosines of a line, which makes equal angles with the co-ordinates axes?