CBSE 2025 · Region 2 · Set 1 · Q1 · 1 mark
If $\displaystyle 7 \cos ^{2} \theta+3 \sin ^{2} \theta=4$, then the value of $\displaystyle \theta$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle 60$°
Introduction to TrigonometryTrigonometric Ratios of Some Specific AnglesApplymcqmedium
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CBSE Class 10 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.