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What is the geometrical difference between direction ratio and direction cosin?

What is the geometrical difference between direction ratio and direction cosin?
 

Grade:12th pass

2 Answers

Arun
25750 Points
4 years ago
Direction ratios: Any three numbers that are proportional to the direction cosines of a line are called the direction ratios of the line. axis respectively with O as the reference, these angles are referred as the direction angles of the line and the cosine of these angles give us the direction cosines.
Vikas TU
14149 Points
4 years ago
Dear student 
Please refer the link below 
Good Luck 
Cheers 

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