Question
$\cot ^{-1}(\sqrt{3})$ का मुख्य मान ज्ञात कीजिए
We know that the range of the principal value branch of $\cot ^{-1}$ is $(0, \pi)$ and $\cot \left(\frac{\pi}{6}\right)=\sqrt{3}$
Therefore, the principal value of $\cot ^{-1}(\sqrt{3})$ is $\frac{\pi}{6}$
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