CBSE 2024 · Region 3 · Set 1 · Q16 · 1 mark
If a line makes an angle of $\displaystyle \frac{\pi}{4}$ with the positive directions of both x -axis and z -axis, then the angle which it makes with the positive direction of y -axis is :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{\pi}{2}$
Three Dimensional GeometryDirection Cosines and Direction Ratios of a LineApplymcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.