Find the angles at which a line with direction ratios `2,-1,2` is inclined to each of the coordinate axes.

Find the angles at which the vector 2 hat i- hat j+2 hat k is inclined to each of the coordinate axes.

Find the angles at which the following vectors are inclined to each of the coordinate axes: hat i- hat j+ hat k

Find the angles at which the following vectors are inclined to each of the coordinate axes: hat j- hat k

Find the angles at which the following vectors are inclined to each of the coordinate axes: 4 hat i+8 hat j+ hat k

Find the angles at which the following vectors are inclined to each of the coordinate axes: hat i- hat j+ hat k hat j- hat k 4 hat i+8 hat j+ hat k

Find the angle at which the vector hati-hatj+hatk is inclined to each of the coordinte axes.

Write the direction cosines of a line equally inclined to be three coordinate axes.

Find the angles at which the normal vector to the plane 4x+8y+z=5 is inclined to the coordinate axes.

Find the angle between two lines, one of which was direction ratios 2, 2, 1 while the other one is obtained by joining het points (3, 1, 4) and (7, 2, 12).

Find the eqn of lines which pass through the point (1, 2) and equally inclined to the co- ordinate axes.