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

jay , 7 Years ago
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Arun
Dear Jay
 
Yes, The direction cosines of two parallel lines are always the same.
 
Regards
Arun (askIITians forum expert)
Last Activity: 7 Years ago
Aditya Gupta
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.
Last Activity: 7 Years ago
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