Integral of e^(2x)(sin 2x cos 2x - 1)/sin^2 2x

1. A.
   $e^{2x}\cot(2x) + c$, where c is the constant of integration
2. B.
   $\ 2e^{2x}\cot(2x) + c$, where c is the constant of integration
3. C.
   $4e^{2x}\cot(2x) + c$, where c is the constant of integration
4. D.
   $\frac{1}{2}e^{2x}\cot(2x) + c$, where c is the constant of integration

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1. A.
   $\dfrac{1}{8}$
2. B.
   $64$
3. C.
   $8$
4. D.
   $\dfrac{1}{64}$

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