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Difference between direction ratio and direction cosine of a line


Aditya Sharma 6th Apr, 2019
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Answer (1)
Harshali Kharole 6th Apr, 2019
A number which is proportional to the direction cosine is known as the direction ratio of a line. A,b,c are the representatives of direction numbers. It implies that sum of the squares of the direction cosine of a line is 1. Find more specific explanation on the following website:
https://bonus.com/maths/direction-cosines-meaning-direction-ratios-line/
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