Question
Thu February 17, 2011 By: Charu Tripathi

how we can find the direction ratios if only the direction cosines are given?

Expert Reply
Thu February 17, 2011
Dear Student
Let L,M,N are the direction cosines of the line and a,b,c be its direction ratios
then
 
So if L M and N are known then the number proportional to them gives us direction ratios.
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