Differential EquationsEasyFirst-Order Equations ShareFirst-Order Equations · Easy problemWhich function is an integrating factor for y′+(tanx) y=cosxy'+(\tan x)\,y=\cos xy′+(tanx)y=cosx on −π2<x<π2-\dfrac{\pi}{2}<x<\dfrac{\pi}{2}−2π<x<2π?Acosx\cos xcosxBetanxe^{\tan x}etanxCsecx\sec xsecxDsec2x\sec^2 xsec2xCheck Show answer Walk through it step by step Practice more like this Review this concept