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

The direction cosines of a line whose direction ratios are 1, -2, 3 are

Direction cosines of a line , whose direction ratios are -2,1,2 are

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.

Find the direction cosines of the line whose direction ratio are 2,-4,6

Find the direction cosines of the line whose direction ratios are 2,-4,6.

Find the direction cosines of the line whose direction ratio are sqrt3,0,-1

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

Find the direction of a line whose direction ratio are 2, -6, 3 .