The direction cosines of a line equally inclined with co-ordinate axes are :

Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry

1. \(\left\langle\frac{1}{\sqrt{3}}, \frac{1}{\sqrt{3}}, \frac{1}{\sqrt{3}}\right\rangle\)
2. \(\langle 0,1,0\rangle\)
3. \(\langle 1,0,0\rangle\)
4. \(\langle 1,1,1\rangle\)

Answer

(A) 1 3 , 1 3 , 1 3

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