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Question Number 163113 by Lordose last updated on 03/Jan/22
$$\frac{\mathrm{d}^{\mathrm{2}} \mathrm{y}}{\mathrm{dx}^{\mathrm{2}} }\:+\:\mathrm{ytan}\left(\mathrm{x}\right)\:=\:\mathrm{e}^{\mathrm{x}} \:\:\mathrm{y}\left(\mathrm{0}\right)\:=\:\mathrm{1},\:\mathrm{y}'\left(\mathrm{0}\right)\:=\:\mathrm{0} \\ $$