The sum of the direction cosines of z-axis is

The direction cosines of z-axis are-

The sum of the direction cosines of a line which makes equal angles with the positive direction of co-ordinate axes is

The direction cosines of x-axis are-

The direction cosines of y-axis are-

Write the direction cosines of z-axis.

Direction cosines of x-axis are

Direction casines of z-axis are