Three Dimensional Geometry

Bihar Board Class 12 · Mathematics · 89 past questions

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1. Q7 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B

   The direction ratios of a straight line are 2, 6, $-3$. Then its direction cosines are

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2. Q9 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B2021 Set J2021 Set I

   If a line makes angles $\alpha$, $\beta$ and $\gamma$ with the positive directions of $x$, $y$ and $z$ axes…

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