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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 3 · Set 1 · Q15
Given that $\displaystyle \sin 2 \alpha=\frac{\sqrt{3}}{2}$, the value of $\displaystyle \sin 3 \alpha$ is:
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle 1$
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CBSE Class 10 Mathematics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.