What is the integrating factor for y′+ysin(x)=0y' + y \sin(x) = 0y′+ysin(x)=0?
ecos(x)e^{\cos(x)}ecos(x)
e−cos(x)e^{-\cos(x)}e−cos(x)
cos(x)\cos(x)cos(x)
esin(x)e^{\sin(x)}esin(x)