CUET Mathematics 2022 30 Aug Shift 1 PYQs

The principal value of $\cot^{-1}\left(-\frac{1}{\sqrt{3}}\right)$

The simplest form of $\tan^{-1}\left\{\frac{x}{\sqrt{a^2 - x^2}}\right\}$ is, where $-a < x < a$.

$\cos^{-1}\left(\cos\frac{7\pi}{6}\right)$ equals: