JEE MAIN - Mathematics Hindi (2022 - 25th June Evening Shift - No. 13)
$$
\tan ^{-1}\left(\frac{\cos \left(\frac{15 \pi}{4}\right)-1}{\sin \left(\frac{\pi}{4}\right)}\right)$$ का मान बराबर है-
$$-\frac{\pi}{4}$$
$$-\frac{\pi}{8}$$
$$-\frac{5 \pi}{12}$$
$$-\frac{4 \pi}{9}$$
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