Question Number 75762 by aliesam last updated on 16/Dec/19
$${if}\:\:{y}\:{cos}\left({x}\right)+{x}\:{cos}\left({y}\right)\:=\:\pi \\ $$$$ \\ $$$${find}\:\:\frac{{d}^{\mathrm{2}} {y}}{{dx}^{\mathrm{2}} }\:\:\:,\:{x}=\mathrm{0} \\ $$
if-y-cos-x-x-cos-y-pi-find-d-2-y-dx-2-x-0-