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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 5 · Set 3 · Q6
If f (x)=| cos x|, then f ((3 π)/4) is
If $\displaystyle \mathrm{f}(x)=|\cos x|$, then $\displaystyle \mathrm{f}\left(\frac{3 \pi}{4}\right)$ is
Official answer
(D)
$\displaystyle \frac{1}{\sqrt{2}}$
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