If a line makes angles $90^\circ$,$135^\circ$, $45^\circ$ with the x, y and z-axes respectively, find its direction cosines.

Question

$\begin{array}{1 1} (0,\large\frac{1}{\sqrt 2},1) \\ (0,\large\frac{-1}{\sqrt 2},-1) \\ (0,\large\frac{-1}{\sqrt 2},1) \\ (0,\large\frac{-1}{ 2},1)\end{array}$