Question
Given $0 \leq x \leq \frac{1}{\sqrt{2}}$, then the value of $ \tan \left[ \sin^{-1} \left( \frac{x}{\sqrt{2}} + \frac{\sqrt{1 - x^2}}{\sqrt{2}} \right) - \sin^{-1} x \right] $ is:
Given $0 \leq x \leq \frac{1}{\sqrt{2}}$, then the value of $ \tan \left[ \sin^{-1} \left( \frac{x}{\sqrt{2}} + \frac{\sqrt{1 - x^2}}{\sqrt{2}} \right) - \sin^{-1} x \right] $ is: