Solución detallada
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Se aplica la regla de la derivada de una multiplicación:
; calculamos :
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Según el principio, aplicamos: tenemos
; calculamos :
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diferenciamos miembro por miembro:
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No logro encontrar los pasos en la búsqueda de esta derivada.
Perola derivada
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La derivada del producto de una constante por función es igual al producto de esta constante por la derivada de esta función.
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Se aplica la regla de la derivada de una multiplicación:
; calculamos :
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Según el principio, aplicamos: tenemos
; calculamos :
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La derivada del coseno es igual a menos el seno:
; calculamos :
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La derivada del seno es igual al coseno:
Como resultado de:
Entonces, como resultado:
Como resultado de:
Como resultado de:
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Simplificamos:
Respuesta:
x*cos(x) / x*cos(x) / 2 \ 2 2 \ 2
(x*cos(x)) + x*\(x*cos(x)) *((-x*sin(x) + cos(x))*log(x*cos(x)) - x*sin(x) + cos(x)) + \x *sin(x) - 2*x*cos(x)/*sin(x) - x *cos (x)/ - x *cos(x)*sin(x)
$$x \left(- x^{2} \cos^{2}{\left(x \right)} + \left(x \cos{\left(x \right)}\right)^{x \cos{\left(x \right)}} \left(- x \sin{\left(x \right)} + \left(- x \sin{\left(x \right)} + \cos{\left(x \right)}\right) \log{\left(x \cos{\left(x \right)} \right)} + \cos{\left(x \right)}\right) + \left(x^{2} \sin{\left(x \right)} - 2 x \cos{\left(x \right)}\right) \sin{\left(x \right)}\right) + \left(x \cos{\left(x \right)}\right)^{x \cos{\left(x \right)}} - x^{2} \cos{\left(x \right)} \sin{\left(x \right)}$$
/ / 2\ \
| x*cos(x) 2 / 2 \ x*cos(x) | (-cos(x) + x*sin(x)) | 2 2 | 2 2 x*cos(x)
x*|(x*cos(x)) *(-cos(x) + x*sin(x) + (-cos(x) + x*sin(x))*log(x*cos(x))) + \-2*cos(x) + x *cos(x) + 4*x*sin(x)/*sin(x) - (x*cos(x)) *|2*sin(x) + x*cos(x) + (2*sin(x) + x*cos(x))*log(x*cos(x)) - ---------------------| - 2*x*cos (x) + x*(-2*cos(x) + x*sin(x))*cos(x) + 2*x *cos(x)*sin(x)| - 2*x *cos (x) - 2*(x*cos(x)) *(-cos(x) + x*sin(x) + (-cos(x) + x*sin(x))*log(x*cos(x))) + 2*x*(-2*cos(x) + x*sin(x))*sin(x)
\ \ x*cos(x) / /
$$- 2 x^{2} \cos^{2}{\left(x \right)} + 2 x \left(x \sin{\left(x \right)} - 2 \cos{\left(x \right)}\right) \sin{\left(x \right)} + x \left(2 x^{2} \sin{\left(x \right)} \cos{\left(x \right)} + x \left(x \sin{\left(x \right)} - 2 \cos{\left(x \right)}\right) \cos{\left(x \right)} - 2 x \cos^{2}{\left(x \right)} + \left(x \cos{\left(x \right)}\right)^{x \cos{\left(x \right)}} \left(x \sin{\left(x \right)} + \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \log{\left(x \cos{\left(x \right)} \right)} - \cos{\left(x \right)}\right)^{2} - \left(x \cos{\left(x \right)}\right)^{x \cos{\left(x \right)}} \left(x \cos{\left(x \right)} + \left(x \cos{\left(x \right)} + 2 \sin{\left(x \right)}\right) \log{\left(x \cos{\left(x \right)} \right)} + 2 \sin{\left(x \right)} - \frac{\left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right)^{2}}{x \cos{\left(x \right)}}\right) + \left(x^{2} \cos{\left(x \right)} + 4 x \sin{\left(x \right)} - 2 \cos{\left(x \right)}\right) \sin{\left(x \right)}\right) - 2 \left(x \cos{\left(x \right)}\right)^{x \cos{\left(x \right)}} \left(x \sin{\left(x \right)} + \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \log{\left(x \cos{\left(x \right)} \right)} - \cos{\left(x \right)}\right)$$
/ / 2 2 \ / 2\ \ / 2\
| 2 x*cos(x) | (-cos(x) + x*sin(x)) (-cos(x) + x*sin(x)) *sin(x) 3*(-cos(x) + x*sin(x))*(2*sin(x) + x*cos(x))| / 2 \ x*cos(x) 3 2 2 2 2 / 2 \ x*cos(x) | (-cos(x) + x*sin(x)) | | 2 x*cos(x) | (-cos(x) + x*sin(x)) | x*cos(x) 2 / 2 \ 2
x*|- 2*cos (x) + (x*cos(x)) *|-3*cos(x) + x*sin(x) + (-3*cos(x) + x*sin(x))*log(x*cos(x)) - --------------------- + ---------------------------- + --------------------------------------------| + \6*sin(x) - x *sin(x) + 6*x*cos(x)/*sin(x) - (x*cos(x)) *(-cos(x) + x*sin(x) + (-cos(x) + x*sin(x))*log(x*cos(x))) - 2*x *sin (x) + 2*x *cos (x) + 2*\-2*cos(x) + x *cos(x) + 4*x*sin(x)/*cos(x) - x*(-2*cos(x) + x*sin(x))*sin(x) + 3*(x*cos(x)) *(-cos(x) + x*sin(x) + (-cos(x) + x*sin(x))*log(x*cos(x)))*|2*sin(x) + x*cos(x) + (2*sin(x) + x*cos(x))*log(x*cos(x)) - ---------------------| + 8*x*cos(x)*sin(x)| - 6*x*cos (x) - 3*(x*cos(x)) *|2*sin(x) + x*cos(x) + (2*sin(x) + x*cos(x))*log(x*cos(x)) - ---------------------| + 3*(x*cos(x)) *(-cos(x) + x*sin(x) + (-cos(x) + x*sin(x))*log(x*cos(x))) + 3*\-2*cos(x) + x *cos(x) + 4*x*sin(x)/*sin(x) + 3*x*(-2*cos(x) + x*sin(x))*cos(x) + 6*x *cos(x)*sin(x)
| | 2 2 x*cos(x) | \ x*cos(x) / | \ x*cos(x) /
\ \ x *cos(x) x*cos (x) / /
$$6 x^{2} \sin{\left(x \right)} \cos{\left(x \right)} + 3 x \left(x \sin{\left(x \right)} - 2 \cos{\left(x \right)}\right) \cos{\left(x \right)} + x \left(- 2 x^{2} \sin^{2}{\left(x \right)} + 2 x^{2} \cos^{2}{\left(x \right)} - x \left(x \sin{\left(x \right)} - 2 \cos{\left(x \right)}\right) \sin{\left(x \right)} + 8 x \sin{\left(x \right)} \cos{\left(x \right)} - \left(x \cos{\left(x \right)}\right)^{x \cos{\left(x \right)}} \left(x \sin{\left(x \right)} + \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \log{\left(x \cos{\left(x \right)} \right)} - \cos{\left(x \right)}\right)^{3} + 3 \left(x \cos{\left(x \right)}\right)^{x \cos{\left(x \right)}} \left(x \sin{\left(x \right)} + \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \log{\left(x \cos{\left(x \right)} \right)} - \cos{\left(x \right)}\right) \left(x \cos{\left(x \right)} + \left(x \cos{\left(x \right)} + 2 \sin{\left(x \right)}\right) \log{\left(x \cos{\left(x \right)} \right)} + 2 \sin{\left(x \right)} - \frac{\left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right)^{2}}{x \cos{\left(x \right)}}\right) + \left(x \cos{\left(x \right)}\right)^{x \cos{\left(x \right)}} \left(x \sin{\left(x \right)} + \left(x \sin{\left(x \right)} - 3 \cos{\left(x \right)}\right) \log{\left(x \cos{\left(x \right)} \right)} - 3 \cos{\left(x \right)} + \frac{\left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right)^{2} \sin{\left(x \right)}}{x \cos^{2}{\left(x \right)}} + \frac{3 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \left(x \cos{\left(x \right)} + 2 \sin{\left(x \right)}\right)}{x \cos{\left(x \right)}} - \frac{\left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right)^{2}}{x^{2} \cos{\left(x \right)}}\right) + \left(- x^{2} \sin{\left(x \right)} + 6 x \cos{\left(x \right)} + 6 \sin{\left(x \right)}\right) \sin{\left(x \right)} + 2 \left(x^{2} \cos{\left(x \right)} + 4 x \sin{\left(x \right)} - 2 \cos{\left(x \right)}\right) \cos{\left(x \right)} - 2 \cos^{2}{\left(x \right)}\right) - 6 x \cos^{2}{\left(x \right)} + 3 \left(x \cos{\left(x \right)}\right)^{x \cos{\left(x \right)}} \left(x \sin{\left(x \right)} + \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \log{\left(x \cos{\left(x \right)} \right)} - \cos{\left(x \right)}\right)^{2} - 3 \left(x \cos{\left(x \right)}\right)^{x \cos{\left(x \right)}} \left(x \cos{\left(x \right)} + \left(x \cos{\left(x \right)} + 2 \sin{\left(x \right)}\right) \log{\left(x \cos{\left(x \right)} \right)} + 2 \sin{\left(x \right)} - \frac{\left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right)^{2}}{x \cos{\left(x \right)}}\right) + 3 \left(x^{2} \cos{\left(x \right)} + 4 x \sin{\left(x \right)} - 2 \cos{\left(x \right)}\right) \sin{\left(x \right)}$$