CBSE 2025 · Region 7 · Set 1 · Q2 · 1 mark
Domain of $\displaystyle \mathrm{f}(\mathrm{x})=\cos ^{-1} \mathrm{x}+\sin \mathrm{x}$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle [-1,1]$
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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.