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Chapter 27: Direction Cosines and Direction Ratios

In simple words, the cosines of the angles made by a directed line segment with the coordinate axes are called as the direction cosines of that line. For more details use the links given below:

Click here →  Study Material of Direction Cosines and Direction Ratios

Exercises of Direction Cosines and Direction Ratios – Class 12th R.D. Sharma Solutions

Direction Cosines and Direction Ratios Exercise 27.1

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