Question Number 5590 by Rasheed Soomro last updated on 21/May/16
$$\mathrm{Solve}\:\mathrm{the}\:\mathrm{following}\:\mathrm{equation} \\ $$$$\mathrm{x}−\mathrm{sin}\:\mathrm{x}=\frac{\mathrm{2}}{\mathrm{3}}\pi\:. \\ $$
Commented by Yozzii last updated on 24/May/16
$${Numerical}\:{methods}\:{work},\:{but}\:{one}\: \\ $$$${may}\:{wonder}\:{what}\:{the}\:{exact}\:{value}\left({s}\right) \\ $$$${of}\:{x}\:{satisfy}\:{the}\:{equation}. \\ $$