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what is line and what is mean by direction cosine of the line and what does direction cosine reprsent??
Dear shamil Khan,
A line is a straight one-dimensional figure having no thickness and extending infinitely in both directions. A line is sometimes called a straight line or, more archaically, a right line , to emphasize that it has no "wiggles" anywhere along its length.
Direction cosines are generallydenoted by l , m , n.If O be origin and P is a point whose co-ordinates are ( x , y , z ),then x = lr , y = mr , z = nr , where l , m , n are direction cosines of OP.
Hope this helped you immensely.. All the Very Best & Good Luck to you.. Regards, AskIITians Expert, Godfrey Classic Prince IIT-M Please approve my answer if you liked it by clicking on "Yes" given below..!!
Hope this helped you immensely..
All the Very Best & Good Luck to you..
Regards,
AskIITians Expert,
Godfrey Classic Prince
IIT-M
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