CBSE 2025 · Region 4 · Set 1 · Q1 · 1 mark
The principal value of $\displaystyle \sin ^{-1}\left(\sin \left(-\frac{10 \pi}{3}\right)\right)$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{\pi}{3}$
Inverse Trigonometric FunctionsProperties of Inverse Trigonometric FunctionsApplymcqmedium
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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.