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y=tg^5*ln(4-sin^2x)

Derivada de y=tg^5*ln(4-sin^2x)

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Solución

Ha introducido [src]
   5       /       2   \
tan (x)*log\4 - sin (x)/
log(4sin2(x))tan5(x)\log{\left(4 - \sin^{2}{\left(x \right)} \right)} \tan^{5}{\left(x \right)}
tan(x)^5*log(4 - sin(x)^2)
Solución detallada
  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)=tan5(x)f{\left(x \right)} = \tan^{5}{\left(x \right)}; calculamos ddxf(x)\frac{d}{d x} f{\left(x \right)}:

    1. Sustituimos u=tan(x)u = \tan{\left(x \right)}.

    2. Según el principio, aplicamos: u5u^{5} tenemos 5u45 u^{4}

    3. Luego se aplica una cadena de reglas. Multiplicamos por ddxtan(x)\frac{d}{d x} \tan{\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 la secuencia de reglas:

      5(sin2(x)+cos2(x))tan4(x)cos2(x)\frac{5 \left(\sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}\right) \tan^{4}{\left(x \right)}}{\cos^{2}{\left(x \right)}}

    g(x)=log(4sin2(x))g{\left(x \right)} = \log{\left(4 - \sin^{2}{\left(x \right)} \right)}; calculamos ddxg(x)\frac{d}{d x} g{\left(x \right)}:

    1. Sustituimos u=4sin2(x)u = 4 - \sin^{2}{\left(x \right)}.

    2. Derivado log(u)\log{\left(u \right)} es 1u\frac{1}{u}.

    3. Luego se aplica una cadena de reglas. Multiplicamos por ddx(4sin2(x))\frac{d}{d x} \left(4 - \sin^{2}{\left(x \right)}\right):

      1. diferenciamos 4sin2(x)4 - \sin^{2}{\left(x \right)} miembro por miembro:

        1. La derivada de una constante 44 es igual a cero.

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

          1. Sustituimos u=sin(x)u = \sin{\left(x \right)}.

          2. Según el principio, aplicamos: u2u^{2} tenemos 2u2 u

          3. Luego se aplica una cadena de reglas. Multiplicamos por ddxsin(x)\frac{d}{d x} \sin{\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)}

            Como resultado de la secuencia de reglas:

            2sin(x)cos(x)2 \sin{\left(x \right)} \cos{\left(x \right)}

          Entonces, como resultado: 2sin(x)cos(x)- 2 \sin{\left(x \right)} \cos{\left(x \right)}

        Como resultado de: 2sin(x)cos(x)- 2 \sin{\left(x \right)} \cos{\left(x \right)}

      Como resultado de la secuencia de reglas:

      2sin(x)cos(x)4sin2(x)- \frac{2 \sin{\left(x \right)} \cos{\left(x \right)}}{4 - \sin^{2}{\left(x \right)}}

    Como resultado de: 5(sin2(x)+cos2(x))log(4sin2(x))tan4(x)cos2(x)2sin(x)cos(x)tan5(x)4sin2(x)\frac{5 \left(\sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}\right) \log{\left(4 - \sin^{2}{\left(x \right)} \right)} \tan^{4}{\left(x \right)}}{\cos^{2}{\left(x \right)}} - \frac{2 \sin{\left(x \right)} \cos{\left(x \right)} \tan^{5}{\left(x \right)}}{4 - \sin^{2}{\left(x \right)}}

  2. Simplificamos:

    (5(sin2(x)4)log(cos2(x)+3)cos(4x)4+14)tan4(x)(sin2(x)4)cos2(x)\frac{\left(5 \left(\sin^{2}{\left(x \right)} - 4\right) \log{\left(\cos^{2}{\left(x \right)} + 3 \right)} - \frac{\cos{\left(4 x \right)}}{4} + \frac{1}{4}\right) \tan^{4}{\left(x \right)}}{\left(\sin^{2}{\left(x \right)} - 4\right) \cos^{2}{\left(x \right)}}


Respuesta:

(5(sin2(x)4)log(cos2(x)+3)cos(4x)4+14)tan4(x)(sin2(x)4)cos2(x)\frac{\left(5 \left(\sin^{2}{\left(x \right)} - 4\right) \log{\left(\cos^{2}{\left(x \right)} + 3 \right)} - \frac{\cos{\left(4 x \right)}}{4} + \frac{1}{4}\right) \tan^{4}{\left(x \right)}}{\left(\sin^{2}{\left(x \right)} - 4\right) \cos^{2}{\left(x \right)}}

Gráfica
02468-8-6-4-2-1010-50000000005000000000
Primera derivada [src]
                                                5                 
   4    /         2   \    /       2   \   2*tan (x)*cos(x)*sin(x)
tan (x)*\5 + 5*tan (x)/*log\4 - sin (x)/ - -----------------------
                                                        2         
                                                 4 - sin (x)      
(5tan2(x)+5)log(4sin2(x))tan4(x)2sin(x)cos(x)tan5(x)4sin2(x)\left(5 \tan^{2}{\left(x \right)} + 5\right) \log{\left(4 - \sin^{2}{\left(x \right)} \right)} \tan^{4}{\left(x \right)} - \frac{2 \sin{\left(x \right)} \cos{\left(x \right)} \tan^{5}{\left(x \right)}}{4 - \sin^{2}{\left(x \right)}}
Segunda derivada [src]
          /          /                         2       2   \                                                                                           \
          |     2    |   2         2      2*cos (x)*sin (x)|                                                                                           |
          |  tan (x)*|sin (x) - cos (x) + -----------------|                                                                                           |
          |          |                               2     |                                                         /       2   \                     |
     3    |          \                       -4 + sin (x)  /     /       2   \ /         2   \    /       2   \   10*\1 + tan (x)/*cos(x)*sin(x)*tan(x)|
2*tan (x)*|- ----------------------------------------------- + 5*\1 + tan (x)/*\2 + 3*tan (x)/*log\4 - sin (x)/ + -------------------------------------|
          |                            2                                                                                               2               |
          \                    -4 + sin (x)                                                                                    -4 + sin (x)            /
2(5(tan2(x)+1)(3tan2(x)+2)log(4sin2(x))+10(tan2(x)+1)sin(x)cos(x)tan(x)sin2(x)4(sin2(x)cos2(x)+2sin2(x)cos2(x)sin2(x)4)tan2(x)sin2(x)4)tan3(x)2 \left(5 \left(\tan^{2}{\left(x \right)} + 1\right) \left(3 \tan^{2}{\left(x \right)} + 2\right) \log{\left(4 - \sin^{2}{\left(x \right)} \right)} + \frac{10 \left(\tan^{2}{\left(x \right)} + 1\right) \sin{\left(x \right)} \cos{\left(x \right)} \tan{\left(x \right)}}{\sin^{2}{\left(x \right)} - 4} - \frac{\left(\sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)} + \frac{2 \sin^{2}{\left(x \right)} \cos^{2}{\left(x \right)}}{\sin^{2}{\left(x \right)} - 4}\right) \tan^{2}{\left(x \right)}}{\sin^{2}{\left(x \right)} - 4}\right) \tan^{3}{\left(x \right)}
Tercera derivada [src]
          /                                                                                                                                                                          /          2              2             2       2   \                                                                      \
          |                                                                                                                      /                         2       2   \        3    |     3*sin (x)      3*cos (x)     4*cos (x)*sin (x)|                                                                      |
          |                                                                                                   2    /       2   \ |   2         2      2*cos (x)*sin (x)|   2*tan (x)*|2 - ------------ + ------------ - -----------------|*cos(x)*sin(x)                                                        |
          |                                                                                             15*tan (x)*\1 + tan (x)/*|sin (x) - cos (x) + -----------------|             |            2              2                     2 |                                                                      |
          |                /                           2                           \                                             |                               2     |             |    -4 + sin (x)   -4 + sin (x)    /        2   \  |                    /       2   \ /         2   \                     |
     2    |  /       2   \ |     4        /       2   \          2    /       2   \|    /       2   \                            \                       -4 + sin (x)  /             \                                   \-4 + sin (x)/  /                 30*\1 + tan (x)/*\2 + 3*tan (x)/*cos(x)*sin(x)*tan(x)|
2*tan (x)*|5*\1 + tan (x)/*\2*tan (x) + 6*\1 + tan (x)/  + 13*tan (x)*\1 + tan (x)//*log\4 - sin (x)/ - ---------------------------------------------------------------- - ----------------------------------------------------------------------------- + -----------------------------------------------------|
          |                                                                                                                               2                                                                         2                                                                   2                       |
          \                                                                                                                       -4 + sin (x)                                                              -4 + sin (x)                                                        -4 + sin (x)                    /
2(5(tan2(x)+1)(6(tan2(x)+1)2+13(tan2(x)+1)tan2(x)+2tan4(x))log(4sin2(x))+30(tan2(x)+1)(3tan2(x)+2)sin(x)cos(x)tan(x)sin2(x)415(tan2(x)+1)(sin2(x)cos2(x)+2sin2(x)cos2(x)sin2(x)4)tan2(x)sin2(x)42(23sin2(x)sin2(x)4+3cos2(x)sin2(x)44sin2(x)cos2(x)(sin2(x)4)2)sin(x)cos(x)tan3(x)sin2(x)4)tan2(x)2 \left(5 \left(\tan^{2}{\left(x \right)} + 1\right) \left(6 \left(\tan^{2}{\left(x \right)} + 1\right)^{2} + 13 \left(\tan^{2}{\left(x \right)} + 1\right) \tan^{2}{\left(x \right)} + 2 \tan^{4}{\left(x \right)}\right) \log{\left(4 - \sin^{2}{\left(x \right)} \right)} + \frac{30 \left(\tan^{2}{\left(x \right)} + 1\right) \left(3 \tan^{2}{\left(x \right)} + 2\right) \sin{\left(x \right)} \cos{\left(x \right)} \tan{\left(x \right)}}{\sin^{2}{\left(x \right)} - 4} - \frac{15 \left(\tan^{2}{\left(x \right)} + 1\right) \left(\sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)} + \frac{2 \sin^{2}{\left(x \right)} \cos^{2}{\left(x \right)}}{\sin^{2}{\left(x \right)} - 4}\right) \tan^{2}{\left(x \right)}}{\sin^{2}{\left(x \right)} - 4} - \frac{2 \left(2 - \frac{3 \sin^{2}{\left(x \right)}}{\sin^{2}{\left(x \right)} - 4} + \frac{3 \cos^{2}{\left(x \right)}}{\sin^{2}{\left(x \right)} - 4} - \frac{4 \sin^{2}{\left(x \right)} \cos^{2}{\left(x \right)}}{\left(\sin^{2}{\left(x \right)} - 4\right)^{2}}\right) \sin{\left(x \right)} \cos{\left(x \right)} \tan^{3}{\left(x \right)}}{\sin^{2}{\left(x \right)} - 4}\right) \tan^{2}{\left(x \right)}
Gráfico
Derivada de y=tg^5*ln(4-sin^2x)