Three Dimensional Geometry

Bihar Board Class 12 · Mathematics · 89 past questions

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1. Q13 20252024 Set J2024 Set D2019 Set F2017

   The direction cosines of z-axis are-

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2. Q37 2024 Set D2024 Set J

   The direction ratios of a straight line are 1, 3, 5. Then its direction cosines are

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