OhMyGauss

Functional equation $ f(x) + f\left(1-\frac{1}{x}\right) = \tan^{-1}(x) $ and definite integral

calculus trigonometry definite-integrals functional-equations asked Mar 31, 2020 at 9:57

calculus limits functions trigonometry definite-integrals asked Mar 30, 2020 at 9:53