Integral de Arctg(12+sin(x))/(e^(2*x)) dx

                                /                                                      
                               |                                                       
                               |                -2*x                                   
                               |        cos(x)*e                                       
                               | ------------------------- dx                          
                               |          2                                            
  /                            | 145 + sin (x) + 24*sin(x)                             
 |                             |                                                   -2*x
 | atan(12 + sin(x))          /                                 atan(12 + sin(x))*e    
 | ----------------- dx = C + ------------------------------- - -----------------------
 |         2*x                               2                             2           
 |        E                                                                            
 |                                                                                     
/                                                                                      

$$\int \frac{\operatorname{atan}{\left(\sin{\left(x \right)} + 12 \right)}}{e^{2 x}}\, dx = C + \frac{\int \frac{e^{- 2 x} \cos{\left(x \right)}}{\sin^{2}{\left(x \right)} + 24 \sin{\left(x \right)} + 145}\, dx}{2} - \frac{e^{- 2 x} \operatorname{atan}{\left(\sin{\left(x \right)} + 12 \right)}}{2}$$

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