If sin x is the inetegrating factor of the linear differential equation $\frac{dy}{dx}+Py=Q$ then P is : |
tanx cosx cotx log sinx |
cotx |
The correct answer is option (3) → $\cot x$ $I.F.=e^{∫P\,dx}=\sin x$ $∫P\,dx=\log\sin x$ differentiating eq. wrt (x) $P=\frac{\cos x}{\sin x}=\cot x$ |