If a line makes angles 45°, 90°, 135° with x, y, z axes respectively, find its direction cosines
1
\(\;\left( {\frac{1}{{ 2 }},0,\frac{{ \sqrt 3}}{{2 }}} \right)\)
2
\(\;\left( {\frac{ -1}{{\sqrt 2 }},0,\frac{{ 1}}{{\sqrt 2 }}} \right)\)
3
\(\;\left( {\frac{1}{{\sqrt 2 }},0,\frac{{ - 1}}{{\sqrt 2 }}} \right)\)
4
None of the above
5
Question Not Attempted