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

Asked by ramhar | 17th Feb, 2011, 12:00: AM

Expert Answer:

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.
Regards
Team Topperlearning

Answered by  | 17th Feb, 2011, 09:53: AM

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