JEE Mathematics · Intermediate
Direction Cosines & Ratios: JEE Questions & Solutions
3 previous-year JEE Mathematics questions on Direction Cosines & Ratios, each with a worked step-by-step solution.
Previous-year questions
- 01
Let the direction cosines of two lines satisfy the equations: 4l + m - n = 0 and 2mn + 10nl + 3lm = 0. Then the cosine of the acute angle…
MCQMediumJEE 2026 - 02
Each of the angles β and γ that a given line makes with the positive y- and z-axes, respectively, is half the angle that this line makes…
MCQMediumJEE 2025 - 03
Let P(x, y, z) be a point in the first octant, whose projection in the xy-plane is the point Q. Let OP = γ, the angle between OQ and the…
MCQMediumJEE 2024
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