Find the derivative of $y = \frac{4e^x}{\sin x}$.

University of Ilorin MTH102 2025A past question

  1. $\frac{4e^x(\sin x - \cos x)}{\sin^2 x}$
  2. $\frac{4e^x(\cos x - \sin x)}{\sin^2 x}$
  3. $\frac{4e^x(\sin x + \cos x)}{\sin^2 x}$
  4. $\frac{4e^x}{\cos x}$

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