An integrating factor of the differential equation \[\sin x\frac{dy}{d

1.	An integrating factor of the differential equation \[\sin x\frac{dy}{dx}+2y\cos x=1\] is
A.	\[{{\sin }^{2}}x\]
B.	\[\frac{2}{\sin x}\]
C.	\[\log \left\| \sin \,\,x \right\|\]
D.	\[\frac{1}{{{\sin }^{2}}x}\]
Answer» B. \[\frac{2}{\sin x}\]

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An integrating factor of the differential equation \[\sin x\frac{dy}{dx}+2y\cos x=1\] is

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