MCQ
$\frac{d}{d x}\left(\frac{1}{\sin x}+e^x\right)=$
- A$\operatorname{cosec} x \cdot \cot x+e^x$
- B$\operatorname{cosec} x+e^x$
- ✓$-\operatorname{cosec} x \cot x+e^x$
- D$-\frac{1}{\sin ^2 x}+e^x$
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