Cálculo Ejemplos

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

Step 1

Obtén la primera derivada.

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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 $g (x) = \sec (x)$ .

$f' (x) = \csc (x) \frac{d}{d x} (\sec (x)) + \sec (x) \frac{d}{d x} (\csc (x))$

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

$f' (x) = \csc (x) (\sec (x) \tan (x)) + \sec (x) \frac{d}{d x} (\csc (x))$

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

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

Reordena los términos.

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

Step 2

Obtener la segunda derivada.

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

$f'' (x) = \frac{d}{d x} (\csc (x) \sec (x) \tan (x)) + \frac{d}{d x} (- \cot (x) \csc (x) \sec (x))$

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

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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 $g (x) = \tan (x)$ .

$f'' (x) = \csc (x) \sec (x) \frac{d}{d x} (\tan (x)) + \tan (x) \frac{d}{d x} (\csc (x) \sec (x)) + \frac{d}{d x} (- \cot (x) \csc (x) \sec (x))$

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

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

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 $g (x) = \sec (x)$ .

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

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

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

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

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

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

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

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

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

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

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

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

$f'' (x) = \csc (x) {\sec (x)}^{2 + 1} + \tan (x) (\csc (x) (\sec (x) \tan (x)) + \sec (x) (- \csc (x) \cot (x))) + \frac{d}{d x} (- \cot (x) \csc (x) \sec (x))$

Suma $2$ y $1$ .

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

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

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

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

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

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 $g (x) = \sec (x)$ .

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

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

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

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 $g (x) = \csc (x)$ .

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

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

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

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

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

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

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

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

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

Suma $1$ y $1$ .

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

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

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

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

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

Suma $1$ y $2$ .

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

Simplifica.

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Aplica la propiedad distributiva.

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

Aplica la propiedad distributiva.

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

Aplica la propiedad distributiva.

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

Combina los términos.

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

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

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

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

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

Suma $1$ y $1$ .

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

Multiplica $- 1$ por $- 1$ .

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

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

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

Multiplica $- 1$ por $- 1$ .

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

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

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

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

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

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

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

Reordena los términos.

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

Simplifica cada término.

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

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

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

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

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

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

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

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

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

Cancela el factor común.

Reescribe la expresión.

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

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

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

Separa las fracciones.

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

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

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

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

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

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

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

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

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

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

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

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

Suma $1$ y $1$ .

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