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x*sin(cos(x)^(i))

Derivada de x*sin(cos(x)^(i))

Función f() - derivada -er orden en el punto
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Gráfico:

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Solución

Ha introducido [src]
     /   I   \
x*sin\cos (x)/
xsin(cosi(x))x \sin{\left(\cos^{i}{\left(x \right)} \right)}
x*sin(cos(x)^i)
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)=xf{\left(x \right)} = x; calculamos ddxf(x)\frac{d}{d x} f{\left(x \right)}:

    1. Según el principio, aplicamos: xx tenemos 11

    g(x)=sin(cosi(x))g{\left(x \right)} = \sin{\left(\cos^{i}{\left(x \right)} \right)}; calculamos ddxg(x)\frac{d}{d x} g{\left(x \right)}:

    1. Sustituimos u=cosi(x)u = \cos^{i}{\left(x \right)}.

    2. La derivada del seno es igual al coseno:

      ddusin(u)=cos(u)\frac{d}{d u} \sin{\left(u \right)} = \cos{\left(u \right)}

    3. Luego se aplica una cadena de reglas. Multiplicamos por ddxcosi(x)\frac{d}{d x} \cos^{i}{\left(x \right)}:

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

      2. Según el principio, aplicamos: uiu^{i} tenemos iuiu\frac{i u^{i}}{u}

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

        Como resultado de la secuencia de reglas:

        isin(x)cosi(x)cos(x)- \frac{i \sin{\left(x \right)} \cos^{i}{\left(x \right)}}{\cos{\left(x \right)}}

      Como resultado de la secuencia de reglas:

      isin(x)cosi(x)cos(cosi(x))cos(x)- \frac{i \sin{\left(x \right)} \cos^{i}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)}}{\cos{\left(x \right)}}

    Como resultado de: ixsin(x)cosi(x)cos(cosi(x))cos(x)+sin(cosi(x))- \frac{i x \sin{\left(x \right)} \cos^{i}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)}}{\cos{\left(x \right)}} + \sin{\left(\cos^{i}{\left(x \right)} \right)}

  2. Simplificamos:

    ixcosi(x)cos(cosi(x))tan(x)+sin(cosi(x))- i x \cos^{i}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)} \tan{\left(x \right)} + \sin{\left(\cos^{i}{\left(x \right)} \right)}


Respuesta:

ixcosi(x)cos(cosi(x))tan(x)+sin(cosi(x))- i x \cos^{i}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)} \tan{\left(x \right)} + \sin{\left(\cos^{i}{\left(x \right)} \right)}

Gráfica
02468-8-6-4-2-10100.02-0.02
Primera derivada [src]
         I       /   I   \                      
  I*x*cos (x)*cos\cos (x)/*sin(x)      /   I   \
- ------------------------------- + sin\cos (x)/
               cos(x)                           
ixsin(x)cosi(x)cos(cosi(x))cos(x)+sin(cosi(x))- \frac{i x \sin{\left(x \right)} \cos^{i}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)}}{\cos{\left(x \right)}} + \sin{\left(\cos^{i}{\left(x \right)} \right)}
Segunda derivada [src]
         /  /                    2       /   I   \        2       /   I   \      I       2       /   I   \\          /   I   \       \
    I    |  |     /   I   \   sin (x)*cos\cos (x)/   I*sin (x)*cos\cos (x)/   cos (x)*sin (x)*sin\cos (x)/|   2*I*cos\cos (x)/*sin(x)|
-cos (x)*|x*|I*cos\cos (x)/ + -------------------- + ---------------------- - ----------------------------| + -----------------------|
         |  |                          2                       2                           2              |            cos(x)        |
         \  \                       cos (x)                 cos (x)                     cos (x)           /                          /
(x(sin2(x)sin(cosi(x))cosi(x)cos2(x)+sin2(x)cos(cosi(x))cos2(x)+isin2(x)cos(cosi(x))cos2(x)+icos(cosi(x)))+2isin(x)cos(cosi(x))cos(x))cosi(x)- \left(x \left(- \frac{\sin^{2}{\left(x \right)} \sin{\left(\cos^{i}{\left(x \right)} \right)} \cos^{i}{\left(x \right)}}{\cos^{2}{\left(x \right)}} + \frac{\sin^{2}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)}} + \frac{i \sin^{2}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)}} + i \cos{\left(\cos^{i}{\left(x \right)} \right)}\right) + \frac{2 i \sin{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)}}{\cos{\left(x \right)}}\right) \cos^{i}{\left(x \right)}
Tercera derivada [src]
         /                                              /                                                                  2       /   I   \        2       /   I   \        I       2       /   I   \        2*I       2       /   I   \          I       2       /   I   \\                                                                   \
         |                                              |     /   I   \        I       /   I   \          /   I   \   3*sin (x)*cos\cos (x)/   I*sin (x)*cos\cos (x)/   3*cos (x)*sin (x)*sin\cos (x)/   I*cos   (x)*sin (x)*cos\cos (x)/   3*I*cos (x)*sin (x)*sin\cos (x)/|                                                                   |
         |                                            x*|3*cos\cos (x)/ - 3*cos (x)*sin\cos (x)/ + 2*I*cos\cos (x)/ + ---------------------- + ---------------------- - ------------------------------ + -------------------------------- + --------------------------------|*sin(x)                                                            |
         |                        2       /   I   \     |                                                                       2                        2                            2                                 2                                  2                |               I       2       /   I   \          2       /   I   \|
    I    |       /   I   \   3*sin (x)*cos\cos (x)/     \                                                                    cos (x)                  cos (x)                      cos (x)                           cos (x)                            cos (x)             /          3*cos (x)*sin (x)*sin\cos (x)/   3*I*sin (x)*cos\cos (x)/|
-cos (x)*|3*I*cos\cos (x)/ + ---------------------- + ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------ + ------------------------|
         |                             2                                                                                                                          cos(x)                                                                                                                             2                             2            |
         \                          cos (x)                                                                                                                                                                                                                                                       cos (x)                       cos (x)         /
(x(3sin2(x)sin(cosi(x))cosi(x)cos2(x)+3isin2(x)sin(cosi(x))cosi(x)cos2(x)+isin2(x)cos2i(x)cos(cosi(x))cos2(x)+3sin2(x)cos(cosi(x))cos2(x)+isin2(x)cos(cosi(x))cos2(x)3sin(cosi(x))cosi(x)+3cos(cosi(x))+2icos(cosi(x)))sin(x)cos(x)3sin2(x)sin(cosi(x))cosi(x)cos2(x)+3sin2(x)cos(cosi(x))cos2(x)+3isin2(x)cos(cosi(x))cos2(x)+3icos(cosi(x)))cosi(x)- \left(\frac{x \left(- \frac{3 \sin^{2}{\left(x \right)} \sin{\left(\cos^{i}{\left(x \right)} \right)} \cos^{i}{\left(x \right)}}{\cos^{2}{\left(x \right)}} + \frac{3 i \sin^{2}{\left(x \right)} \sin{\left(\cos^{i}{\left(x \right)} \right)} \cos^{i}{\left(x \right)}}{\cos^{2}{\left(x \right)}} + \frac{i \sin^{2}{\left(x \right)} \cos^{2 i}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)}} + \frac{3 \sin^{2}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)}} + \frac{i \sin^{2}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)}} - 3 \sin{\left(\cos^{i}{\left(x \right)} \right)} \cos^{i}{\left(x \right)} + 3 \cos{\left(\cos^{i}{\left(x \right)} \right)} + 2 i \cos{\left(\cos^{i}{\left(x \right)} \right)}\right) \sin{\left(x \right)}}{\cos{\left(x \right)}} - \frac{3 \sin^{2}{\left(x \right)} \sin{\left(\cos^{i}{\left(x \right)} \right)} \cos^{i}{\left(x \right)}}{\cos^{2}{\left(x \right)}} + \frac{3 \sin^{2}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)}} + \frac{3 i \sin^{2}{\left(x \right)} \cos{\left(\cos^{i}{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)}} + 3 i \cos{\left(\cos^{i}{\left(x \right)} \right)}\right) \cos^{i}{\left(x \right)}
Gráfico
Derivada de x*sin(cos(x)^(i))