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√x*tgx-(e^x/sinx)

Derivada de √x*tgx-(e^x/sinx)

Función f() - derivada -er orden en el punto
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Solución

Ha introducido [src]
                  x  
  ___            E   
\/ x *tan(x) - ------
               sin(x)
exsin(x)+xtan(x)- \frac{e^{x}}{\sin{\left(x \right)}} + \sqrt{x} \tan{\left(x \right)}
sqrt(x)*tan(x) - E^x/sin(x)
Solución detallada
  1. diferenciamos exsin(x)+xtan(x)- \frac{e^{x}}{\sin{\left(x \right)}} + \sqrt{x} \tan{\left(x \right)} miembro por miembro:

    1. Se aplica la regla de la derivada de una multiplicación:

      ddxf(x)g(x)=f(x)ddxg(x)+g(x)ddxf(x)\frac{d}{d x} f{\left(x \right)} g{\left(x \right)} = f{\left(x \right)} \frac{d}{d x} g{\left(x \right)} + g{\left(x \right)} \frac{d}{d x} f{\left(x \right)}

      f(x)=xf{\left(x \right)} = \sqrt{x}; calculamos ddxf(x)\frac{d}{d x} f{\left(x \right)}:

      1. Según el principio, aplicamos: x\sqrt{x} tenemos 12x\frac{1}{2 \sqrt{x}}

      g(x)=tan(x)g{\left(x \right)} = \tan{\left(x \right)}; calculamos ddxg(x)\frac{d}{d x} g{\left(x \right)}:

      1. Reescribimos las funciones para diferenciar:

        tan(x)=sin(x)cos(x)\tan{\left(x \right)} = \frac{\sin{\left(x \right)}}{\cos{\left(x \right)}}

      2. Se aplica la regla de la derivada parcial:

        ddxf(x)g(x)=f(x)ddxg(x)+g(x)ddxf(x)g2(x)\frac{d}{d x} \frac{f{\left(x \right)}}{g{\left(x \right)}} = \frac{- f{\left(x \right)} \frac{d}{d x} g{\left(x \right)} + g{\left(x \right)} \frac{d}{d x} f{\left(x \right)}}{g^{2}{\left(x \right)}}

        f(x)=sin(x)f{\left(x \right)} = \sin{\left(x \right)} y g(x)=cos(x)g{\left(x \right)} = \cos{\left(x \right)}.

        Para calcular ddxf(x)\frac{d}{d x} f{\left(x \right)}:

        1. La derivada del seno es igual al coseno:

          ddxsin(x)=cos(x)\frac{d}{d x} \sin{\left(x \right)} = \cos{\left(x \right)}

        Para calcular ddxg(x)\frac{d}{d x} g{\left(x \right)}:

        1. La derivada del coseno es igual a menos el seno:

          ddxcos(x)=sin(x)\frac{d}{d x} \cos{\left(x \right)} = - \sin{\left(x \right)}

        Ahora aplicamos la regla de la derivada de una divesión:

        sin2(x)+cos2(x)cos2(x)\frac{\sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}}{\cos^{2}{\left(x \right)}}

      Como resultado de: x(sin2(x)+cos2(x))cos2(x)+tan(x)2x\frac{\sqrt{x} \left(\sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}\right)}{\cos^{2}{\left(x \right)}} + \frac{\tan{\left(x \right)}}{2 \sqrt{x}}

    2. La derivada del producto de una constante por función es igual al producto de esta constante por la derivada de esta función.

      1. Se aplica la regla de la derivada parcial:

        ddxf(x)g(x)=f(x)ddxg(x)+g(x)ddxf(x)g2(x)\frac{d}{d x} \frac{f{\left(x \right)}}{g{\left(x \right)}} = \frac{- f{\left(x \right)} \frac{d}{d x} g{\left(x \right)} + g{\left(x \right)} \frac{d}{d x} f{\left(x \right)}}{g^{2}{\left(x \right)}}

        f(x)=exf{\left(x \right)} = e^{x} y g(x)=sin(x)g{\left(x \right)} = \sin{\left(x \right)}.

        Para calcular ddxf(x)\frac{d}{d x} f{\left(x \right)}:

        1. Derivado exe^{x} es.

        Para calcular ddxg(x)\frac{d}{d x} g{\left(x \right)}:

        1. La derivada del seno es igual al coseno:

          ddxsin(x)=cos(x)\frac{d}{d x} \sin{\left(x \right)} = \cos{\left(x \right)}

        Ahora aplicamos la regla de la derivada de una divesión:

        exsin(x)excos(x)sin2(x)\frac{e^{x} \sin{\left(x \right)} - e^{x} \cos{\left(x \right)}}{\sin^{2}{\left(x \right)}}

      Entonces, como resultado: exsin(x)excos(x)sin2(x)- \frac{e^{x} \sin{\left(x \right)} - e^{x} \cos{\left(x \right)}}{\sin^{2}{\left(x \right)}}

    Como resultado de: x(sin2(x)+cos2(x))cos2(x)exsin(x)excos(x)sin2(x)+tan(x)2x\frac{\sqrt{x} \left(\sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}\right)}{\cos^{2}{\left(x \right)}} - \frac{e^{x} \sin{\left(x \right)} - e^{x} \cos{\left(x \right)}}{\sin^{2}{\left(x \right)}} + \frac{\tan{\left(x \right)}}{2 \sqrt{x}}

  2. Simplificamos:

    xcos2(x)+2excos(x+π4)sin2(x)+tan(x)2x\frac{\sqrt{x}}{\cos^{2}{\left(x \right)}} + \frac{\sqrt{2} e^{x} \cos{\left(x + \frac{\pi}{4} \right)}}{\sin^{2}{\left(x \right)}} + \frac{\tan{\left(x \right)}}{2 \sqrt{x}}


Respuesta:

xcos2(x)+2excos(x+π4)sin2(x)+tan(x)2x\frac{\sqrt{x}}{\cos^{2}{\left(x \right)}} + \frac{\sqrt{2} e^{x} \cos{\left(x + \frac{\pi}{4} \right)}}{\sin^{2}{\left(x \right)}} + \frac{\tan{\left(x \right)}}{2 \sqrt{x}}

Gráfica
02468-8-6-4-2-1010-2000000010000000
Primera derivada [src]
                                   x             x
  ___ /       2   \    tan(x)     e      cos(x)*e 
\/ x *\1 + tan (x)/ + ------- - ------ + ---------
                          ___   sin(x)       2    
                      2*\/ x              sin (x) 
x(tan2(x)+1)exsin(x)+excos(x)sin2(x)+tan(x)2x\sqrt{x} \left(\tan^{2}{\left(x \right)} + 1\right) - \frac{e^{x}}{\sin{\left(x \right)}} + \frac{e^{x} \cos{\left(x \right)}}{\sin^{2}{\left(x \right)}} + \frac{\tan{\left(x \right)}}{2 \sqrt{x}}
Segunda derivada [src]
       2          x                  2     x                                            x
1 + tan (x)    2*e     tan(x)   2*cos (x)*e        ___ /       2   \          2*cos(x)*e 
----------- - ------ - ------ - ------------ + 2*\/ x *\1 + tan (x)/*tan(x) + -----------
     ___      sin(x)      3/2        3                                             2     
   \/ x                4*x        sin (x)                                       sin (x)  
2x(tan2(x)+1)tan(x)2exsin(x)+2excos(x)sin2(x)2excos2(x)sin3(x)+tan2(x)+1xtan(x)4x322 \sqrt{x} \left(\tan^{2}{\left(x \right)} + 1\right) \tan{\left(x \right)} - \frac{2 e^{x}}{\sin{\left(x \right)}} + \frac{2 e^{x} \cos{\left(x \right)}}{\sin^{2}{\left(x \right)}} - \frac{2 e^{x} \cos^{2}{\left(x \right)}}{\sin^{3}{\left(x \right)}} + \frac{\tan^{2}{\left(x \right)} + 1}{\sqrt{x}} - \frac{\tan{\left(x \right)}}{4 x^{\frac{3}{2}}}
Tercera derivada [src]
      x                         2     /       2   \                   2     x     /       2   \                                               3     x             x
   4*e         ___ /       2   \    3*\1 + tan (x)/   3*tan(x)   6*cos (x)*e    3*\1 + tan (x)/*tan(x)       ___    2    /       2   \   6*cos (x)*e    8*cos(x)*e 
- ------ + 2*\/ x *\1 + tan (x)/  - --------------- + -------- - ------------ + ---------------------- + 4*\/ x *tan (x)*\1 + tan (x)/ + ------------ + -----------
  sin(x)                                    3/2           5/2         3                   ___                                                 4              2     
                                         4*x           8*x         sin (x)              \/ x                                               sin (x)        sin (x)  
2x(tan2(x)+1)2+4x(tan2(x)+1)tan2(x)4exsin(x)+8excos(x)sin2(x)6excos2(x)sin3(x)+6excos3(x)sin4(x)+3(tan2(x)+1)tan(x)x3(tan2(x)+1)4x32+3tan(x)8x522 \sqrt{x} \left(\tan^{2}{\left(x \right)} + 1\right)^{2} + 4 \sqrt{x} \left(\tan^{2}{\left(x \right)} + 1\right) \tan^{2}{\left(x \right)} - \frac{4 e^{x}}{\sin{\left(x \right)}} + \frac{8 e^{x} \cos{\left(x \right)}}{\sin^{2}{\left(x \right)}} - \frac{6 e^{x} \cos^{2}{\left(x \right)}}{\sin^{3}{\left(x \right)}} + \frac{6 e^{x} \cos^{3}{\left(x \right)}}{\sin^{4}{\left(x \right)}} + \frac{3 \left(\tan^{2}{\left(x \right)} + 1\right) \tan{\left(x \right)}}{\sqrt{x}} - \frac{3 \left(\tan^{2}{\left(x \right)} + 1\right)}{4 x^{\frac{3}{2}}} + \frac{3 \tan{\left(x \right)}}{8 x^{\frac{5}{2}}}
Gráfico
Derivada de √x*tgx-(e^x/sinx)