Sr Examen

Derivada de y=cos(sin^4x)

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

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Solución

Ha introducido [src]
   /   4   \
cos\sin (x)/
cos(sin4(x))\cos{\left(\sin^{4}{\left(x \right)} \right)}
cos(sin(x)^4)
Solución detallada
  1. Sustituimos u=sin4(x)u = \sin^{4}{\left(x \right)}.

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

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

  3. Luego se aplica una cadena de reglas. Multiplicamos por ddxsin4(x)\frac{d}{d x} \sin^{4}{\left(x \right)}:

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

    2. Según el principio, aplicamos: u4u^{4} tenemos 4u34 u^{3}

    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:

      4sin3(x)cos(x)4 \sin^{3}{\left(x \right)} \cos{\left(x \right)}

    Como resultado de la secuencia de reglas:

    4sin3(x)sin(sin4(x))cos(x)- 4 \sin^{3}{\left(x \right)} \sin{\left(\sin^{4}{\left(x \right)} \right)} \cos{\left(x \right)}


Respuesta:

4sin3(x)sin(sin4(x))cos(x)- 4 \sin^{3}{\left(x \right)} \sin{\left(\sin^{4}{\left(x \right)} \right)} \cos{\left(x \right)}

Gráfica
02468-8-6-4-2-10102-2
Primera derivada [src]
      3              /   4   \
-4*sin (x)*cos(x)*sin\sin (x)/
4sin3(x)sin(sin4(x))cos(x)- 4 \sin^{3}{\left(x \right)} \sin{\left(\sin^{4}{\left(x \right)} \right)} \cos{\left(x \right)}
Segunda derivada [src]
     2    /   2       /   4   \        2       /   4   \        2       4       /   4   \\
4*sin (x)*\sin (x)*sin\sin (x)/ - 3*cos (x)*sin\sin (x)/ - 4*cos (x)*sin (x)*cos\sin (x)//
4(4sin4(x)cos2(x)cos(sin4(x))+sin2(x)sin(sin4(x))3sin(sin4(x))cos2(x))sin2(x)4 \left(- 4 \sin^{4}{\left(x \right)} \cos^{2}{\left(x \right)} \cos{\left(\sin^{4}{\left(x \right)} \right)} + \sin^{2}{\left(x \right)} \sin{\left(\sin^{4}{\left(x \right)} \right)} - 3 \sin{\left(\sin^{4}{\left(x \right)} \right)} \cos^{2}{\left(x \right)}\right) \sin^{2}{\left(x \right)}
Tercera derivada [src]
  /       2       /   4   \        2       /   4   \        6       /   4   \         2       4       /   4   \        2       8       /   4   \\              
8*\- 3*cos (x)*sin\sin (x)/ + 5*sin (x)*sin\sin (x)/ + 6*sin (x)*cos\sin (x)/ - 18*cos (x)*sin (x)*cos\sin (x)/ + 8*cos (x)*sin (x)*sin\sin (x)//*cos(x)*sin(x)
8(8sin8(x)sin(sin4(x))cos2(x)+6sin6(x)cos(sin4(x))18sin4(x)cos2(x)cos(sin4(x))+5sin2(x)sin(sin4(x))3sin(sin4(x))cos2(x))sin(x)cos(x)8 \left(8 \sin^{8}{\left(x \right)} \sin{\left(\sin^{4}{\left(x \right)} \right)} \cos^{2}{\left(x \right)} + 6 \sin^{6}{\left(x \right)} \cos{\left(\sin^{4}{\left(x \right)} \right)} - 18 \sin^{4}{\left(x \right)} \cos^{2}{\left(x \right)} \cos{\left(\sin^{4}{\left(x \right)} \right)} + 5 \sin^{2}{\left(x \right)} \sin{\left(\sin^{4}{\left(x \right)} \right)} - 3 \sin{\left(\sin^{4}{\left(x \right)} \right)} \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)} \cos{\left(x \right)}
Gráfico
Derivada de y=cos(sin^4x)