If \[y=x\sin x,\]then

• A. \[\frac{1}{y}\frac{dy}{dx}=\frac{1}{x}+\cot x\]
• B. \[\frac{dy}{dx}=\frac{1}{x}+\cot x\]
• C. \[\frac{1}{y}\frac{dy}{dx}=\frac{1}{x}-\cot x\]
• D. None of these