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are direction cosines of parallel lines same ???????????????????????????????????????????????????????
one year ago

Answers : (2)

Arun
22984 Points
							
Dear Jay
 
Yes, The direction cosines of two parallel lines are always the same.
 
Regards
Arun (askIITians forum expert)
one year ago
Aditya Gupta
1716 Points
							
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.
one year ago
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