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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 5 · Set 2 · Q10
∫ √((1- cos 2 x)/(1+ cos 2 x)) dx is equal to:
$\displaystyle \int \sqrt{\frac{1-\cos 2 \mathrm{x}}{1+\cos 2 \mathrm{x}}} \mathrm{dx}$ is equal to:
Official answer
(D)
$\displaystyle \log |\sec \mathrm{x}|+\mathrm{C}$
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CBSE Class 12 Mathematics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.