Solve this following
Question:
Differentiate $\tan ^{-1}\left(\frac{\sqrt{1+x^{2}}-1}{x}\right)$ with respect to $\sin ^{-1}\left(\frac{2 x}{1+x^{2}}\right)$
Solution:
$1-\sin \theta=\left(\cos \frac{\theta}{2}-\sin \frac{\theta}{2}\right)^{2}$
