$\operatorname{Sin}^{-1}(-\cos 2) + \operatorname{Cos}^{-1}(\sin 3) + \operatorname{Tan}^{-1}(\cot 5) = $

$\sin \left( {2{{\tan }^{ - 1}}\left( {\frac{1}{3}} \right)} \right) + \cos ({\tan ^{ - 1}}(2\sqrt 2 ))$ ની કિંમત શોધો.

$\sin ^{-1} \frac{4}{5} + 2 \tan ^{-1} \frac{1}{3}$ ની કિંમત શોધો.

જો $\sin ^{-1}\left(\frac{x}{5}\right)+\operatorname{cosec}^{-1}\left(\frac{5}{4}\right)=\frac{\pi}{2}$ હોય, તો $5+x=$

જો $y = \operatorname{cosec}^{-1}\left[\frac{\sqrt{x}+1}{\sqrt{x}-1}\right] + \cos^{-1}\left[\frac{\sqrt{x}-1}{\sqrt{x}+1}\right]$ હોય,તો $\frac{dy}{dx} = $

$\tan^{-1}(-2) - \tan^{-1}(3)$ ની કિંમત શોધો.