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Vectors

are direction cosines of parallel lines same ???????????????????????????????????????????????????????

Profile image of jay
7 Years agoGrade
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2 Answers

Profile image of Arun
7 Years ago
Dear Jay
 
Yes, The direction cosines of two parallel lines are always the same.
 
Regards
Arun (askIITians forum expert)
Profile image of Aditya Gupta
7 Years ago
As direction cosine of a line depends completely on the angle that a line makes with the three axes, so direction cosines of parallel lines are ALWAYS the same.

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