CBSE 2025 · Region 5 · Set 2 · Q11 · 1 mark
$\displaystyle \int \frac{\cos 2 \mathrm{x}}{\sin ^{2} \mathrm{x} \cos ^{2} \mathrm{x}} \mathrm{dx}$ is equal to :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle -(\cot \mathrm{x}+\tan \mathrm{x})+\mathrm{C}$
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CBSE Class 12 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.