The direction cosines l_ 4 m_ 4 n of two lines are connected by the relations 1+m+n=0 …
Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry
The direction cosines \(l_{4} m_{4} n\) of two lines are connected by the relations \(1+m+n=0\), \(\mid m=0\), then the angle between them is :
- \(\frac{\pi}{3}\)
- \(\frac{\pi}{4}\)
- \(\frac{\pi}{2}\)
- \(0\)
Answer
(C) 2
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