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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 4 · Set 2 · Q1
The principal branch of cos^-1 x is:
The principal branch of $\displaystyle \cos ^{-1} \mathrm{x}$ is :
Official answer
(C)
$\displaystyle [0, \pi]$
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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.