Ex 11.1, 5 - Find direction cosines of sides of triangle - Ex 11.1

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  1. Chapter 11 Class 12 Three Dimensional Geometry
  2. Serial order wise
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Ex 11.1, 5 Find the direction cosines of the sides of the triangle whose vertices are (3, 5, − 4), ( − 1, 1, 2) and ( − 5, − 5, − 2).

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