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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 1 · Set 2 · Q3
∫ (1-2 sin x)/(cos^2 x) d x is equal to:
$\displaystyle \int \frac{1-2 \sin x}{\cos ^{2} x} \mathrm{~d} x$ is equal to:
Official answer
(A)
$\displaystyle \tan x-2 \sec x+\mathrm{C}$
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CBSE Class 12 Mathematics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.