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

University of Ilorin MTH102 biochemistry past question

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

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