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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 4 · Set 3 · Q8
$\displaystyle \left(\sec ^{2} \theta-1\right)\left(\operatorname{cosec}^{2} \theta-1\right)$ is equal to:
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 1$
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CBSE Class 10 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.