+2y‌tan‌x=sin‌x which is a first order linear differential equation. Integrating factor (I. F.) =e∫2‌tan‌x‌d‌x =e2‌ln|sec‌x|=sec2x Solution of differential equation can be written as y⋅sec2x=∫sin‌x⋅sec2xdx=∫sec‌x⋅tan‌x‌d‌xysec2x=sec‌x+C y(‌