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Integral de 1/(7sinx+5cosx) dx

Límites de integración:

interior superior
v

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
  1                       
  /                       
 |                        
 |           1            
 |  ------------------- dx
 |  7*sin(x) + 5*cos(x)   
 |                        
/                         
0                         
$$\int\limits_{0}^{1} \frac{1}{7 \sin{\left(x \right)} + 5 \cos{\left(x \right)}}\, dx$$
Integral(1/(7*sin(x) + 5*cos(x)), (x, 0, 1))
Respuesta (Indefinida) [src]
                                          /        ____         \             /        ____         \
  /                               ____    |  7   \/ 74       /x\|     ____    |  7   \/ 74       /x\|
 |                              \/ 74 *log|- - - ------ + tan|-||   \/ 74 *log|- - + ------ + tan|-||
 |          1                             \  5     5         \2//             \  5     5         \2//
 | ------------------- dx = C - --------------------------------- + ---------------------------------
 | 7*sin(x) + 5*cos(x)                          74                                  74               
 |                                                                                                   
/                                                                                                    
$$\int \frac{1}{7 \sin{\left(x \right)} + 5 \cos{\left(x \right)}}\, dx = C + \frac{\sqrt{74} \log{\left(\tan{\left(\frac{x}{2} \right)} - \frac{7}{5} + \frac{\sqrt{74}}{5} \right)}}{74} - \frac{\sqrt{74} \log{\left(\tan{\left(\frac{x}{2} \right)} - \frac{\sqrt{74}}{5} - \frac{7}{5} \right)}}{74}$$
Gráfica
Respuesta [src]
         /          /                 ____\\             /        ____\          /          /      ____\\             /        ____           \
    ____ |          |7              \/ 74 ||     ____    |  7   \/ 74 |     ____ |          |7   \/ 74 ||     ____    |  7   \/ 74            |
  \/ 74 *|pi*I + log|- - tan(1/2) + ------||   \/ 74 *log|- - + ------|   \/ 74 *|pi*I + log|- + ------||   \/ 74 *log|- - + ------ + tan(1/2)|
         \          \5                5   //             \  5     5   /          \          \5     5   //             \  5     5              /
- ------------------------------------------ - ------------------------ + ------------------------------- + -----------------------------------
                      74                                  74                             74                                  74                
$$\frac{\sqrt{74} \log{\left(- \frac{7}{5} + \tan{\left(\frac{1}{2} \right)} + \frac{\sqrt{74}}{5} \right)}}{74} - \frac{\sqrt{74} \log{\left(- \frac{7}{5} + \frac{\sqrt{74}}{5} \right)}}{74} - \frac{\sqrt{74} \left(\log{\left(- \tan{\left(\frac{1}{2} \right)} + \frac{7}{5} + \frac{\sqrt{74}}{5} \right)} + i \pi\right)}{74} + \frac{\sqrt{74} \left(\log{\left(\frac{7}{5} + \frac{\sqrt{74}}{5} \right)} + i \pi\right)}{74}$$
=
=
         /          /                 ____\\             /        ____\          /          /      ____\\             /        ____           \
    ____ |          |7              \/ 74 ||     ____    |  7   \/ 74 |     ____ |          |7   \/ 74 ||     ____    |  7   \/ 74            |
  \/ 74 *|pi*I + log|- - tan(1/2) + ------||   \/ 74 *log|- - + ------|   \/ 74 *|pi*I + log|- + ------||   \/ 74 *log|- - + ------ + tan(1/2)|
         \          \5                5   //             \  5     5   /          \          \5     5   //             \  5     5              /
- ------------------------------------------ - ------------------------ + ------------------------------- + -----------------------------------
                      74                                  74                             74                                  74                
$$\frac{\sqrt{74} \log{\left(- \frac{7}{5} + \tan{\left(\frac{1}{2} \right)} + \frac{\sqrt{74}}{5} \right)}}{74} - \frac{\sqrt{74} \log{\left(- \frac{7}{5} + \frac{\sqrt{74}}{5} \right)}}{74} - \frac{\sqrt{74} \left(\log{\left(- \tan{\left(\frac{1}{2} \right)} + \frac{7}{5} + \frac{\sqrt{74}}{5} \right)} + i \pi\right)}{74} + \frac{\sqrt{74} \left(\log{\left(\frac{7}{5} + \frac{\sqrt{74}}{5} \right)} + i \pi\right)}{74}$$
-sqrt(74)*(pi*i + log(7/5 - tan(1/2) + sqrt(74)/5))/74 - sqrt(74)*log(-7/5 + sqrt(74)/5)/74 + sqrt(74)*(pi*i + log(7/5 + sqrt(74)/5))/74 + sqrt(74)*log(-7/5 + sqrt(74)/5 + tan(1/2))/74
Respuesta numérica [src]
0.13803888346266
0.13803888346266

    Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.