Question Number 35582 by abdo mathsup 649 cc last updated on 20/May/18
$${let}\:{g}\left({x}\right)=\:\frac{\mathrm{1}}{\mathrm{2}+{sinx}}\:\:\:\:,\:\mathrm{2}\pi\:{periodic}\:{odd} \\ $$$${developp}\:{f}\:{at}\:{fourier}\:{serie}\:. \\ $$
let-g-x-1-2-sinx-2pi-periodic-odd-developp-f-at-fourier-serie-