Mathematics - Functions Question with Solution | TestHub

Let $\mathrm{f}(\mathrm{x})=\tan \mathrm{x},\mathrm{g}(\mathrm{f}(\mathrm{x}))=\mathrm{f}\left(\mathrm{x}-\frac{\pi }{4}\right)$, where f(x) and g(x) are real valued functions. For all possible value of $\mathrm{x},\mathrm{f}(\mathrm{g}(\mathrm{x}))=$