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Integral of exp(cos(x)*exp(-x)/2-exp(-x)*sin(x)/2) dx

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The solution

You have entered [src]
  1                            
  /                            
 |                             
 |           -x    -x          
 |   cos(x)*e     e  *sin(x)   
 |   ---------- - ----------   
 |       2            2        
 |  e                        dx
 |                             
/                              
0                              
$$\int\limits_{0}^{1} e^{- \frac{e^{- x} \sin{\left(x \right)}}{2} + \frac{e^{- x} \cos{\left(x \right)}}{2}}\, dx$$
Integral(exp((cos(x)*exp(-x))/2 - exp(-x)*sin(x)/2), (x, 0, 1))
The answer (Indefinite) [src]
  /                                    /                            
 |                                    |                             
 |          -x    -x                  |          -x    -x           
 |  cos(x)*e     e  *sin(x)           |  cos(x)*e    -e  *sin(x)    
 |  ---------- - ----------           |  ----------  ------------   
 |      2            2                |      2            2         
 | e                        dx = C +  | e          *e             dx
 |                                    |                             
/                                    /                              
$$\int e^{- \frac{e^{- x} \sin{\left(x \right)}}{2} + \frac{e^{- x} \cos{\left(x \right)}}{2}}\, dx = C + \int e^{- \frac{e^{- x} \sin{\left(x \right)}}{2}} e^{\frac{e^{- x} \cos{\left(x \right)}}{2}}\, dx$$
The answer [src]
  1                             
  /                             
 |                              
 |           -x    -x           
 |   cos(x)*e    -e  *sin(x)    
 |   ----------  ------------   
 |       2            2         
 |  e          *e             dx
 |                              
/                               
0                               
$$\int\limits_{0}^{1} e^{- \frac{e^{- x} \sin{\left(x \right)}}{2}} e^{\frac{e^{- x} \cos{\left(x \right)}}{2}}\, dx$$
=
=
  1                             
  /                             
 |                              
 |           -x    -x           
 |   cos(x)*e    -e  *sin(x)    
 |   ----------  ------------   
 |       2            2         
 |  e          *e             dx
 |                              
/                               
0                               
$$\int\limits_{0}^{1} e^{- \frac{e^{- x} \sin{\left(x \right)}}{2}} e^{\frac{e^{- x} \cos{\left(x \right)}}{2}}\, dx$$
Integral(exp(cos(x)*exp(-x)/2)*exp(-exp(-x)*sin(x)/2), (x, 0, 1))
Numerical answer [src]
1.18293351050303
1.18293351050303

    Use the examples entering the upper and lower limits of integration.