Cálculo Ejemplos

$- \cos (x) \ln (\sec (x) + \tan (x))$

Paso 1

Como $- 1$ es constante con respecto a $x$ , la derivada de $- \cos (x) \ln (\sec (x) + \tan (x))$ con respecto a $x$ es $- \frac{d}{d x} [\cos (x) \ln (\sec (x) + \tan (x))]$ .

$- \frac{d}{d x} [\cos (x) \ln (\sec (x) + \tan (x))]$

Paso 2

Diferencia con la regla del producto, que establece que $\frac{d}{d x} [f (x) g (x)]$ es $f (x) \frac{d}{d x} [g (x)] + g (x) \frac{d}{d x} [f (x)]$ donde $f (x) = \cos (x)$ y $g (x) = \ln (\sec (x) + \tan (x))$ .

$- (\cos (x) \frac{d}{d x} [\ln (\sec (x) + \tan (x))] + \ln (\sec (x) + \tan (x)) \frac{d}{d x} [\cos (x)])$

Paso 3

Diferencia con la regla de la cadena, que establece que $\frac{d}{d x} [f (g (x))]$ es $f' (g (x)) g' (x)$ donde $f (x) = \ln (x)$ y $g (x) = \sec (x) + \tan (x)$ .

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Paso 3.1

Para aplicar la regla de la cadena, establece $u$ como $\sec (x) + \tan (x)$ .

$- (\cos (x) (\frac{d}{d u} [\ln (u)] \frac{d}{d x} [\sec (x) + \tan (x)]) + \ln (\sec (x) + \tan (x)) \frac{d}{d x} [\cos (x)])$

Paso 3.2

La derivada de $\ln (u)$ con respecto a $u$ es $\frac{1}{u}$ .

$- (\cos (x) (\frac{1}{u} \frac{d}{d x} [\sec (x) + \tan (x)]) + \ln (\sec (x) + \tan (x)) \frac{d}{d x} [\cos (x)])$

Paso 3.3

Reemplaza todos los casos de $u$ con $\sec (x) + \tan (x)$ .

$- (\cos (x) (\frac{1}{\sec (x) + \tan (x)} \frac{d}{d x} [\sec (x) + \tan (x)]) + \ln (\sec (x) + \tan (x)) \frac{d}{d x} [\cos (x)])$

Paso 4

Diferencia con la regla de la suma.

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Paso 4.1

Combina $\frac{1}{\sec (x) + \tan (x)}$ y $\cos (x)$ .

$- (\frac{\cos (x)}{\sec (x) + \tan (x)} \frac{d}{d x} [\sec (x) + \tan (x)] + \ln (\sec (x) + \tan (x)) \frac{d}{d x} [\cos (x)])$

Paso 4.2

Según la regla de la suma, la derivada de $\sec (x) + \tan (x)$ con respecto a $x$ es $\frac{d}{d x} [\sec (x)] + \frac{d}{d x} [\tan (x)]$ .

$- (\frac{\cos (x)}{\sec (x) + \tan (x)} (\frac{d}{d x} [\sec (x)] + \frac{d}{d x} [\tan (x)]) + \ln (\sec (x) + \tan (x)) \frac{d}{d x} [\cos (x)])$

Paso 5

La derivada de $\sec (x)$ con respecto a $x$ es $\sec (x) \tan (x)$ .

$- (\frac{\cos (x)}{\sec (x) + \tan (x)} (\sec (x) \tan (x) + \frac{d}{d x} [\tan (x)]) + \ln (\sec (x) + \tan (x)) \frac{d}{d x} [\cos (x)])$

Paso 6

La derivada de $\tan (x)$ con respecto a $x$ es $\sec^{2} (x)$ .

$- (\frac{\cos (x)}{\sec (x) + \tan (x)} (\sec (x) \tan (x) + \sec^{2} (x)) + \ln (\sec (x) + \tan (x)) \frac{d}{d x} [\cos (x)])$

Paso 7

La derivada de $\cos (x)$ con respecto a $x$ es $- \sin (x)$ .

$- (\frac{\cos (x)}{\sec (x) + \tan (x)} (\sec (x) \tan (x) + \sec^{2} (x)) + \ln (\sec (x) + \tan (x)) (- \sin (x)))$

Paso 8

Simplifica.

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Paso 8.1

Aplica la propiedad distributiva.

$- (\frac{\cos (x)}{\sec (x) + \tan (x)} (\sec (x) \tan (x) + \sec^{2} (x))) - (\ln (\sec (x) + \tan (x)) (- \sin (x)))$

Paso 8.2

Combina los términos.

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Paso 8.2.1

Multiplica $- 1$ por $- 1$ .

$- \frac{\cos (x)}{\sec (x) + \tan (x)} (\sec (x) \tan (x) + \sec^{2} (x)) + 1 (\ln (\sec (x) + \tan (x)) (\sin (x)))$

Paso 8.2.2

Multiplica $\ln (\sec (x) + \tan (x))$ por $1$ .

$- \frac{\cos (x)}{\sec (x) + \tan (x)} (\sec (x) \tan (x) + \sec^{2} (x)) + \ln (\sec (x) + \tan (x)) \sin (x)$

Paso 8.3

Reordena los términos.

$- (\sec (x) \tan (x) + \sec^{2} (x)) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4

Simplifica cada término.

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Paso 8.4.1

Simplifica cada término.

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Paso 8.4.1.1

Reescribe $\sec (x)$ en términos de senos y cosenos.

$- (\frac{1}{\cos (x)} \tan (x) + \sec^{2} (x)) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.1.2

Reescribe $\tan (x)$ en términos de senos y cosenos.

$- (\frac{1}{\cos (x)} \cdot \frac{\sin (x)}{\cos (x)} + \sec^{2} (x)) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.1.3

Multiplica $\frac{1}{\cos (x)} \cdot \frac{\sin (x)}{\cos (x)}$ .

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Paso 8.4.1.3.1

Multiplica $\frac{1}{\cos (x)}$ por $\frac{\sin (x)}{\cos (x)}$ .

$- (\frac{\sin (x)}{\cos (x) \cos (x)} + \sec^{2} (x)) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.1.3.2

Eleva $\cos (x)$ a la potencia de $1$ .

$- (\frac{\sin (x)}{\cos^{1} (x) \cos (x)} + \sec^{2} (x)) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.1.3.3

Eleva $\cos (x)$ a la potencia de $1$ .

$- (\frac{\sin (x)}{\cos^{1} (x) \cos^{1} (x)} + \sec^{2} (x)) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.1.3.4

Usa la regla de la potencia $a^{m} a^{n} = a^{m + n}$ para combinar exponentes.

$- (\frac{\sin (x)}{{\cos (x)}^{1 + 1}} + \sec^{2} (x)) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.1.3.5

Suma $1$ y $1$ .

$- (\frac{\sin (x)}{\cos^{2} (x)} + \sec^{2} (x)) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.1.4

Reescribe $\sec (x)$ en términos de senos y cosenos.

$- (\frac{\sin (x)}{\cos^{2} (x)} + {(\frac{1}{\cos (x)})}^{2}) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.1.5

Aplica la regla del producto a $\frac{1}{\cos (x)}$ .

$- (\frac{\sin (x)}{\cos^{2} (x)} + \frac{1^{2}}{\cos^{2} (x)}) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.1.6

Uno elevado a cualquier potencia es uno.

$- (\frac{\sin (x)}{\cos^{2} (x)} + \frac{1}{\cos^{2} (x)}) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.2

Aplica la propiedad distributiva.

$(- \frac{\sin (x)}{\cos^{2} (x)} - \frac{1}{\cos^{2} (x)}) \frac{\cos (x)}{\sec (x) + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.3

Simplifica el denominador.

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Paso 8.4.3.1

Reescribe $\sec (x)$ en términos de senos y cosenos.

$(- \frac{\sin (x)}{\cos^{2} (x)} - \frac{1}{\cos^{2} (x)}) \frac{\cos (x)}{\frac{1}{\cos (x)} + \tan (x)} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.3.2

Reescribe $\tan (x)$ en términos de senos y cosenos.

$(- \frac{\sin (x)}{\cos^{2} (x)} - \frac{1}{\cos^{2} (x)}) \frac{\cos (x)}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.4

Aplica la propiedad distributiva.

$- \frac{\sin (x)}{\cos^{2} (x)} \cdot \frac{\cos (x)}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} - \frac{1}{\cos^{2} (x)} \cdot \frac{\cos (x)}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.5

Cancela el factor común de $\cos (x)$ .

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Paso 8.4.5.1

Mueve el signo menos inicial en $- \frac{\sin (x)}{\cos^{2} (x)}$ al numerador.

$\frac{- \sin (x)}{\cos^{2} (x)} \cdot \frac{\cos (x)}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} - \frac{1}{\cos^{2} (x)} \cdot \frac{\cos (x)}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.5.2

Factoriza $\cos (x)$ de $\cos^{2} (x)$ .

$\frac{- \sin (x)}{\cos (x) \cos (x)} \cdot \frac{\cos (x)}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} - \frac{1}{\cos^{2} (x)} \cdot \frac{\cos (x)}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.5.3

Cancela el factor común.

Paso 8.4.5.4

Reescribe la expresión.

$\frac{- \sin (x)}{\cos (x)} \cdot \frac{1}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} - \frac{1}{\cos^{2} (x)} \cdot \frac{\cos (x)}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.6

Multiplica $\frac{- \sin (x)}{\cos (x)}$ por $\frac{1}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}}$ .

$\frac{- \sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos^{2} (x)} \cdot \frac{\cos (x)}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.7

Cancela el factor común de $\cos (x)$ .

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Paso 8.4.7.1

Mueve el signo menos inicial en $- \frac{1}{\cos^{2} (x)}$ al numerador.

$\frac{- \sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \frac{- 1}{\cos^{2} (x)} \cdot \frac{\cos (x)}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.7.2

Factoriza $\cos (x)$ de $\cos^{2} (x)$ .

$\frac{- \sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \frac{- 1}{\cos (x) \cos (x)} \cdot \frac{\cos (x)}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.7.3

Cancela el factor común.

Paso 8.4.7.4

Reescribe la expresión.

$\frac{- \sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \frac{- 1}{\cos (x)} \cdot \frac{1}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.8

Multiplica $\frac{- 1}{\cos (x)}$ por $\frac{1}{\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}}$ .

$\frac{- \sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \frac{- 1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.9

Simplifica cada término.

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Paso 8.4.9.1

Mueve el negativo al frente de la fracción.

$- \frac{\sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \frac{- 1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.9.2

Mueve el negativo al frente de la fracción.

$- \frac{\sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \sin (x) \ln (\sec (x) + \tan (x))$

Paso 8.4.10

Simplifica cada término.

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Paso 8.4.10.1

Reescribe $\sec (x)$ en términos de senos y cosenos.

$- \frac{\sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \sin (x) \ln (\frac{1}{\cos (x)} + \tan (x))$

Paso 8.4.10.2

Reescribe $\tan (x)$ en términos de senos y cosenos.

$- \frac{\sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})$

Paso 8.5

Para escribir $\sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})$ como una fracción con un denominador común, multiplica por $\frac{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$ .

$- \frac{\sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cdot \frac{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.6

Combina $\sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})$ y $\frac{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$ .

$- \frac{\sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} + \frac{\sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) (\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}))}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.7

Combina los numeradores sobre el denominador común.

$\frac{- \sin (x) + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) (\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}))}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.8

Simplifica el numerador.

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Paso 8.8.1

Factoriza $\sin (x)$ de $- \sin (x) + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})$ .

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Paso 8.8.1.1

Factoriza $\sin (x)$ de $- \sin (x)$ .

$\frac{\sin (x) \cdot - 1 + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.8.1.2

Factoriza $\sin (x)$ de $\sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})$ .

$\frac{\sin (x) \cdot - 1 + \sin (x) (\ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}))}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.8.1.3

Factoriza $\sin (x)$ de $\sin (x) \cdot - 1 + \sin (x) (\ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}))$ .

$\frac{\sin (x) (- 1 + \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}))}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.8.2

Aplica la propiedad distributiva.

$\frac{\sin (x) (- 1 + \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x) \frac{1}{\cos (x)} + \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x) \frac{\sin (x)}{\cos (x)})}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.8.3

Cancela el factor común de $\cos (x)$ .

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Paso 8.8.3.1

Factoriza $\cos (x)$ de $\ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x)$ .

$\frac{\sin (x) (- 1 + \cos (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \frac{1}{\cos (x)} + \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x) \frac{\sin (x)}{\cos (x)})}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.8.3.2

Cancela el factor común.

Paso 8.8.3.3

Reescribe la expresión.

$\frac{\sin (x) (- 1 + \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x) \frac{\sin (x)}{\cos (x)})}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.8.4

Cancela el factor común de $\cos (x)$ .

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Paso 8.8.4.1

Factoriza $\cos (x)$ de $\ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \cos (x)$ .

$\frac{\sin (x) (- 1 + \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \cos (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \frac{\sin (x)}{\cos (x)})}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.8.4.2

Cancela el factor común.

Paso 8.8.4.3

Reescribe la expresión.

$\frac{\sin (x) (- 1 + \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \sin (x))}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})} - \frac{1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.9

Combina los numeradores sobre el denominador común.

$\frac{\sin (x) (- 1 + \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \sin (x)) - 1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.10

Simplifica el numerador.

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Paso 8.10.1

Aplica la propiedad distributiva.

$\frac{\sin (x) \cdot - 1 + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \sin (x) (\ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \sin (x)) - 1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.10.2

Simplifica.

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Paso 8.10.2.1

Mueve $- 1$ a la izquierda de $\sin (x)$ .

$\frac{- 1 \cdot \sin (x) + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \sin (x) (\ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \sin (x)) - 1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.10.2.2

Multiplica $\sin (x) (\ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) \sin (x))$ .

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Paso 8.10.2.2.1

Eleva $\sin (x)$ a la potencia de $1$ .

$\frac{- 1 \cdot \sin (x) + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \sin^{1} (x) \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) - 1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.10.2.2.2

Eleva $\sin (x)$ a la potencia de $1$ .

$\frac{- 1 \cdot \sin (x) + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \sin^{1} (x) \sin^{1} (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) - 1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.10.2.2.3

Usa la regla de la potencia $a^{m} a^{n} = a^{m + n}$ para combinar exponentes.

$\frac{- 1 \cdot \sin (x) + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + {\sin (x)}^{1 + 1} \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) - 1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.10.2.2.4

Suma $1$ y $1$ .

$\frac{- 1 \cdot \sin (x) + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \sin^{2} (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) - 1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.10.3

Reescribe $- 1 \sin (x)$ como $- \sin (x)$ .

$\frac{- \sin (x) + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \sin^{2} (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) - 1}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.10.4

Reescribe $- \sin (x) + \sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \sin^{2} (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) - 1$ en forma factorizada.

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Paso 8.10.4.1

Reordena los términos.

$\frac{\sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \sin^{2} (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) - 1 - \sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.10.4.2

Factoriza el máximo común divisor de cada grupo.

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Paso 8.10.4.2.1

Agrupa los dos primeros términos y los dos últimos términos.

$\frac{(\sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) + \sin^{2} (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})) - 1 - \sin (x)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.10.4.2.2

Factoriza el máximo común divisor (MCD) de cada grupo.

$\frac{\sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) (1 + \sin (x)) - 1 (1 + \sin (x))}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.10.4.3

Factoriza el polinomio mediante la factorización del máximo común divisor, $1 + \sin (x)$ .

$\frac{(1 + \sin (x)) (\sin (x) \ln (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)}) - 1)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.11

Simplifica cada término.

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Paso 8.11.1

Convierte de $\frac{1}{\cos (x)}$ a $\sec (x)$ .

$\frac{(1 + \sin (x)) (\sin (x) \ln (\sec (x) + \frac{\sin (x)}{\cos (x)}) - 1)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.11.2

Convierte de $\frac{\sin (x)}{\cos (x)}$ a $\tan (x)$ .

$\frac{(1 + \sin (x)) (\sin (x) \ln (\sec (x) + \tan (x)) - 1)}{\cos (x) (\frac{1}{\cos (x)} + \frac{\sin (x)}{\cos (x)})}$

Paso 8.12

Simplifica cada término.

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Paso 8.12.1

Convierte de $\frac{1}{\cos (x)}$ a $\sec (x)$ .

$\frac{(1 + \sin (x)) (\sin (x) \ln (\sec (x) + \tan (x)) - 1)}{\cos (x) (\sec (x) + \frac{\sin (x)}{\cos (x)})}$

Paso 8.12.2

Convierte de $\frac{\sin (x)}{\cos (x)}$ a $\tan (x)$ .

$\frac{(1 + \sin (x)) (\sin (x) \ln (\sec (x) + \tan (x)) - 1)}{\cos (x) (\sec (x) + \tan (x))}$