CBSE 2023 · Region 5 · Set 3 · Q6 · 1 mark
If $\displaystyle \mathrm{f}(x)=|\cos x|$, then $\displaystyle \mathrm{f}\left(\frac{3 \pi}{4}\right)$ is
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle \frac{1}{\sqrt{2}}$
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CBSE Class 12 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.