Cálculo Ejemplos

$y = \sec (x) \csc (x)$

Paso 1

Obtén la primera derivada.

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Paso 1.1

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 $f (x) = \sec (x)$ y $g (x) = \csc (x)$ .

$\sec (x) \frac{d}{d x} [\csc (x)] + \csc (x) \frac{d}{d x} [\sec (x)]$

Paso 1.2

La derivada de $\csc (x)$ con respecto a $x$ es $- \csc (x) \cot (x)$ .

$\sec (x) (- \csc (x) \cot (x)) + \csc (x) \frac{d}{d x} [\sec (x)]$

Paso 1.3

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

$\sec (x) (- \csc (x) \cot (x)) + \csc (x) (\sec (x) \tan (x))$

Paso 1.4

Reordena los términos.

$f' (x) = - \cot (x) \csc (x) \sec (x) + \csc (x) \sec (x) \tan (x)$

Paso 2

Obtener la segunda derivada.

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Paso 2.1

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

$\frac{d}{d x} [- \cot (x) \csc (x) \sec (x)] + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.2

Evalúa $\frac{d}{d x} [- \cot (x) \csc (x) \sec (x)]$ .

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Paso 2.2.1

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

$- \frac{d}{d x} [\cot (x) \csc (x) \sec (x)] + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.2.2

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 $f (x) = \cot (x) \csc (x)$ y $g (x) = \sec (x)$ .

$- (\cot (x) \csc (x) \frac{d}{d x} [\sec (x)] + \sec (x) \frac{d}{d x} [\cot (x) \csc (x)]) + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.2.3

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

$- (\cot (x) \csc (x) (\sec (x) \tan (x)) + \sec (x) \frac{d}{d x} [\cot (x) \csc (x)]) + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.2.4

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 $f (x) = \cot (x)$ y $g (x) = \csc (x)$ .

$- (\cot (x) \csc (x) (\sec (x) \tan (x)) + \sec (x) (\cot (x) \frac{d}{d x} [\csc (x)] + \csc (x) \frac{d}{d x} [\cot (x)])) + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.2.5

La derivada de $\csc (x)$ con respecto a $x$ es $- \csc (x) \cot (x)$ .

$- (\cot (x) \csc (x) (\sec (x) \tan (x)) + \sec (x) (\cot (x) (- \csc (x) \cot (x)) + \csc (x) \frac{d}{d x} [\cot (x)])) + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.2.6

La derivada de $\cot (x)$ con respecto a $x$ es $- \csc^{2} (x)$ .

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

Paso 2.2.7

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

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) (\cot^{1} (x) \cot (x)) + \csc (x) (- \csc^{2} (x)))) + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.2.8

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

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) (\cot^{1} (x) \cot^{1} (x)) + \csc (x) (- \csc^{2} (x)))) + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.2.9

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

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) {\cot (x)}^{1 + 1} + \csc (x) (- \csc^{2} (x)))) + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.2.10

Suma $1$ y $1$ .

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

Paso 2.2.11

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

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - (\csc^{1} (x) \csc^{2} (x)))) + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.2.12

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

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - {\csc (x)}^{1 + 2})) + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.2.13

Suma $1$ y $2$ .

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - \csc^{3} (x))) + \frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$

Paso 2.3

Evalúa $\frac{d}{d x} [\csc (x) \sec (x) \tan (x)]$ .

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Paso 2.3.1

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 $f (x) = \csc (x) \sec (x)$ y $g (x) = \tan (x)$ .

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - \csc^{3} (x))) + \csc (x) \sec (x) \frac{d}{d x} [\tan (x)] + \tan (x) \frac{d}{d x} [\csc (x) \sec (x)]$

Paso 2.3.2

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

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - \csc^{3} (x))) + \csc (x) \sec (x) \sec^{2} (x) + \tan (x) \frac{d}{d x} [\csc (x) \sec (x)]$

Paso 2.3.3

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 $f (x) = \csc (x)$ y $g (x) = \sec (x)$ .

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - \csc^{3} (x))) + \csc (x) \sec (x) \sec^{2} (x) + \tan (x) (\csc (x) \frac{d}{d x} [\sec (x)] + \sec (x) \frac{d}{d x} [\csc (x)])$

Paso 2.3.4

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

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - \csc^{3} (x))) + \csc (x) \sec (x) \sec^{2} (x) + \tan (x) (\csc (x) (\sec (x) \tan (x)) + \sec (x) \frac{d}{d x} [\csc (x)])$

Paso 2.3.5

La derivada de $\csc (x)$ con respecto a $x$ es $- \csc (x) \cot (x)$ .

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - \csc^{3} (x))) + \csc (x) \sec (x) \sec^{2} (x) + \tan (x) (\csc (x) (\sec (x) \tan (x)) + \sec (x) (- \csc (x) \cot (x)))$

Paso 2.3.6

Multiplica $\sec (x)$ por $\sec^{2} (x)$ sumando los exponentes.

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Paso 2.3.6.1

Mueve $\sec^{2} (x)$ .

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - \csc^{3} (x))) + \csc (x) (\sec^{2} (x) \sec (x)) + \tan (x) (\csc (x) (\sec (x) \tan (x)) + \sec (x) (- \csc (x) \cot (x)))$

Paso 2.3.6.2

Multiplica $\sec^{2} (x)$ por $\sec (x)$ .

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Paso 2.3.6.2.1

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

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - \csc^{3} (x))) + \csc (x) (\sec^{2} (x) \sec^{1} (x)) + \tan (x) (\csc (x) (\sec (x) \tan (x)) + \sec (x) (- \csc (x) \cot (x)))$

Paso 2.3.6.2.2

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

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - \csc^{3} (x))) + \csc (x) {\sec (x)}^{2 + 1} + \tan (x) (\csc (x) (\sec (x) \tan (x)) + \sec (x) (- \csc (x) \cot (x)))$

Paso 2.3.6.3

Suma $2$ y $1$ .

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - \csc^{3} (x))) + \csc (x) \sec^{3} (x) + \tan (x) (\csc (x) (\sec (x) \tan (x)) + \sec (x) (- \csc (x) \cot (x)))$

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x) - \csc^{3} (x))) + \csc (x) \sec^{3} (x) + \tan (x) (\csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot (x)))$

Paso 2.4

Simplifica.

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Paso 2.4.1

Aplica la propiedad distributiva.

$- (\cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot^{2} (x)) + \sec (x) (- \csc^{3} (x))) + \csc (x) \sec^{3} (x) + \tan (x) (\csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot (x)))$

Paso 2.4.2

Aplica la propiedad distributiva.

$- (\cot (x) \csc (x) \sec (x) \tan (x)) - (\sec (x) (- \csc (x) \cot^{2} (x))) - (\sec (x) (- \csc^{3} (x))) + \csc (x) \sec^{3} (x) + \tan (x) (\csc (x) \sec (x) \tan (x) + \sec (x) (- \csc (x) \cot (x)))$

Paso 2.4.3

Aplica la propiedad distributiva.

$- (\cot (x) \csc (x) \sec (x) \tan (x)) - (\sec (x) (- \csc (x) \cot^{2} (x))) - (\sec (x) (- \csc^{3} (x))) + \csc (x) \sec^{3} (x) + \tan (x) (\csc (x) \sec (x) \tan (x)) + \tan (x) (\sec (x) (- \csc (x) \cot (x)))$

Paso 2.4.4

Combina los términos.

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Paso 2.4.4.1

Multiplica $- 1$ por $- 1$ .

$- \cot (x) \csc (x) \sec (x) \tan (x) + 1 (\sec (x) (\csc (x) \cot^{2} (x))) - (\sec (x) (- \csc^{3} (x))) + \csc (x) \sec^{3} (x) + \tan (x) (\csc (x) \sec (x) \tan (x)) + \tan (x) (\sec (x) (- \csc (x) \cot (x)))$

Paso 2.4.4.2

Multiplica $\sec (x)$ por $1$ .

$- \cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) (\csc (x) \cot^{2} (x)) - (\sec (x) (- \csc^{3} (x))) + \csc (x) \sec^{3} (x) + \tan (x) (\csc (x) \sec (x) \tan (x)) + \tan (x) (\sec (x) (- \csc (x) \cot (x)))$

Paso 2.4.4.3

Multiplica $- 1$ por $- 1$ .

$- \cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) \csc (x) \cot^{2} (x) + 1 (\sec (x) (\csc^{3} (x))) + \csc (x) \sec^{3} (x) + \tan (x) (\csc (x) \sec (x) \tan (x)) + \tan (x) (\sec (x) (- \csc (x) \cot (x)))$

Paso 2.4.4.4

Multiplica $\sec (x)$ por $1$ .

$- \cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) \csc (x) \cot^{2} (x) + \sec (x) \csc^{3} (x) + \csc (x) \sec^{3} (x) + \tan (x) (\csc (x) \sec (x) \tan (x)) + \tan (x) (\sec (x) (- \csc (x) \cot (x)))$

Paso 2.4.4.5

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

$- \cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) \csc (x) \cot^{2} (x) + \sec (x) \csc^{3} (x) + \csc (x) \sec^{3} (x) + \tan^{1} (x) \tan (x) (\csc (x) \sec (x)) + \tan (x) (\sec (x) (- \csc (x) \cot (x)))$

Paso 2.4.4.6

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

$- \cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) \csc (x) \cot^{2} (x) + \sec (x) \csc^{3} (x) + \csc (x) \sec^{3} (x) + \tan^{1} (x) \tan^{1} (x) (\csc (x) \sec (x)) + \tan (x) (\sec (x) (- \csc (x) \cot (x)))$

Paso 2.4.4.7

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

$- \cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) \csc (x) \cot^{2} (x) + \sec (x) \csc^{3} (x) + \csc (x) \sec^{3} (x) + {\tan (x)}^{1 + 1} (\csc (x) \sec (x)) + \tan (x) (\sec (x) (- \csc (x) \cot (x)))$

Paso 2.4.4.8

Suma $1$ y $1$ .

$- \cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) \csc (x) \cot^{2} (x) + \sec (x) \csc^{3} (x) + \csc (x) \sec^{3} (x) + \tan^{2} (x) (\csc (x) \sec (x)) + \tan (x) (\sec (x) (- \csc (x) \cot (x)))$

Paso 2.4.4.9

Reordena los factores de $\tan (x) \sec (x) (- \csc (x) \cot (x))$ .

$- \cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) \csc (x) \cot^{2} (x) + \sec (x) \csc^{3} (x) + \csc (x) \sec^{3} (x) + \tan^{2} (x) \csc (x) \sec (x) - \cot (x) \csc (x) \sec (x) \tan (x)$

Paso 2.4.4.10

Resta $\cot (x) \csc (x) \sec (x) \tan (x)$ de $- \cot (x) \csc (x) \sec (x) \tan (x)$ .

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \sec (x) \csc (x) \cot^{2} (x) + \sec (x) \csc^{3} (x) + \csc (x) \sec^{3} (x) + \tan^{2} (x) \csc (x) \sec (x)$

Paso 2.4.5

Reordena los términos.

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \tan^{2} (x) \csc (x) \sec (x)$

Paso 2.4.6

Simplifica cada término.

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Paso 2.4.6.1

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

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + {(\frac{\sin (x)}{\cos (x)})}^{2} \csc (x) \sec (x)$

Paso 2.4.6.2

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

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + {(\frac{\sin (x)}{\cos (x)})}^{2} \frac{1}{\sin (x)} \sec (x)$

Paso 2.4.6.3

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

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \frac{\sin^{2} (x)}{\cos^{2} (x)} \cdot \frac{1}{\sin (x)} \sec (x)$

Paso 2.4.6.4

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

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Paso 2.4.6.4.1

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

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \frac{\sin (x) \sin (x)}{\cos^{2} (x)} \cdot \frac{1}{\sin (x)} \sec (x)$

Paso 2.4.6.4.2

Cancela el factor común.

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \frac{\sin (x) \sin (x)}{\cos^{2} (x)} \cdot \frac{1}{\sin (x)} \sec (x)$

Paso 2.4.6.4.3

Reescribe la expresión.

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \frac{\sin (x)}{\cos^{2} (x)} \sec (x)$

Paso 2.4.6.5

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

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \frac{\sin (x)}{\cos (x) \cos (x)} \sec (x)$

Paso 2.4.6.6

Separa las fracciones.

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \frac{1}{\cos (x)} \cdot \frac{\sin (x)}{\cos (x)} \sec (x)$

Paso 2.4.6.7

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

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \frac{1}{\cos (x)} \tan (x) \sec (x)$

Paso 2.4.6.8

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

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \sec (x) \tan (x) \sec (x)$

Paso 2.4.6.9

Multiplica $\sec (x) \tan (x) \sec (x)$ .

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Paso 2.4.6.9.1

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

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \sec^{1} (x) \sec (x) \tan (x)$

Paso 2.4.6.9.2

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

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \sec^{1} (x) \sec^{1} (x) \tan (x)$

Paso 2.4.6.9.3

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

$- 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + {\sec (x)}^{1 + 1} \tan (x)$

Paso 2.4.6.9.4

Suma $1$ y $1$ .

$f'' (x) = - 2 \cot (x) \csc (x) \sec (x) \tan (x) + \cot^{2} (x) \csc (x) \sec (x) + \csc^{3} (x) \sec (x) + \sec^{3} (x) \csc (x) + \sec^{2} (x) \tan (x)$