Sir what are direction ratios and direction cosines?
Asked by Drona | 22nd Feb, 2013, 07:48: PM
For any vector r = ai+bj+ck, the direction ratios are simply a:b:c while the direction cosines are
In other words, direction ratios represent the ratio of the distance that you need to move in x, y and z direction in order to reach a specific point whereas direction cosines are the cos of the angles that the vector makes with x, y and z direction.
Answered by | 22nd Feb, 2013, 09:44: PM
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