Álgebra Ejemplos

$\tan (6 x)$

Paso 1

Factoriza $2$ de $6 x$ .

$\tan (2 (3 x))$

Paso 2

Simplifica el numerador.

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Paso 2.1

Aplica la razón del ángulo triple tangente.

$\frac{2 \frac{3 \tan (x) - \tan^{3} (x)}{1 - 3 \tan^{2} (x)}}{1 - \tan^{2} (3 x)}$

Paso 2.2

Factoriza $\tan (x)$ de $3 \tan (x) - \tan^{3} (x)$ .

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Paso 2.2.1

Factoriza $\tan (x)$ de $3 \tan (x)$ .

$\frac{2 \frac{\tan (x) \cdot 3 - \tan^{3} (x)}{1 - 3 \tan^{2} (x)}}{1 - \tan^{2} (3 x)}$

Paso 2.2.2

Factoriza $\tan (x)$ de $- \tan^{3} (x)$ .

$\frac{2 \frac{\tan (x) \cdot 3 + \tan (x) (- \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{1 - \tan^{2} (3 x)}$

Paso 2.2.3

Factoriza $\tan (x)$ de $\tan (x) \cdot 3 + \tan (x) (- \tan^{2} (x))$ .

$\frac{2 \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{1 - \tan^{2} (3 x)}$

Paso 3

Simplifica el denominador.

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Paso 3.1

Reescribe $1$ como $1^{2}$ .

$\frac{2 \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{1^{2} - \tan^{2} (3 x)}$

Paso 3.2

Dado que ambos términos son cuadrados perfectos, factoriza con la fórmula de la diferencia de cuadrados, $a^{2} - b^{2} = (a + b) (a - b)$ , donde $a = 1$ y $b = \tan (3 x)$ .

$\frac{2 \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{(1 + \tan (3 x)) (1 - \tan (3 x))}$

Paso 3.3

Simplifica.

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Paso 3.3.1

Aplica la razón del ángulo triple tangente.

$\frac{2 \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{(1 + \frac{3 \tan (x) - \tan^{3} (x)}{1 - 3 \tan^{2} (x)}) (1 - \tan (3 x))}$

Paso 3.3.2

Factoriza $\tan (x)$ de $3 \tan (x) - \tan^{3} (x)$ .

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Paso 3.3.2.1

Factoriza $\tan (x)$ de $3 \tan (x)$ .

$\frac{2 \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{(1 + \frac{\tan (x) \cdot 3 - \tan^{3} (x)}{1 - 3 \tan^{2} (x)}) (1 - \tan (3 x))}$

Paso 3.3.2.2

Factoriza $\tan (x)$ de $- \tan^{3} (x)$ .

$\frac{2 \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{(1 + \frac{\tan (x) \cdot 3 + \tan (x) (- \tan^{2} (x))}{1 - 3 \tan^{2} (x)}) (1 - \tan (3 x))}$

Paso 3.3.2.3

Factoriza $\tan (x)$ de $\tan (x) \cdot 3 + \tan (x) (- \tan^{2} (x))$ .

$\frac{2 \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{(1 + \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}) (1 - \tan (3 x))}$

Paso 3.3.3

Aplica la razón del ángulo triple tangente.

$\frac{2 \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{(1 + \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}) (1 - \frac{3 \tan (x) - \tan^{3} (x)}{1 - 3 \tan^{2} (x)})}$

Paso 3.3.4

Factoriza $\tan (x)$ de $3 \tan (x) - \tan^{3} (x)$ .

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Paso 3.3.4.1

Factoriza $\tan (x)$ de $3 \tan (x)$ .

$\frac{2 \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{(1 + \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}) (1 - \frac{\tan (x) \cdot 3 - \tan^{3} (x)}{1 - 3 \tan^{2} (x)})}$

Paso 3.3.4.2

Factoriza $\tan (x)$ de $- \tan^{3} (x)$ .

$\frac{2 \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{(1 + \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}) (1 - \frac{\tan (x) \cdot 3 + \tan (x) (- \tan^{2} (x))}{1 - 3 \tan^{2} (x)})}$

Paso 3.3.4.3

Factoriza $\tan (x)$ de $\tan (x) \cdot 3 + \tan (x) (- \tan^{2} (x))$ .

$\frac{2 \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}}{(1 + \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}) (1 - \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)})}$

Paso 4

Combina $2$ y $\frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}$ .

$\frac{\frac{2 (\tan (x) (3 - \tan^{2} (x)))}{1 - 3 \tan^{2} (x)}}{(1 + \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}) (1 - \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)})}$

Paso 5

Multiplica el numerador por la recíproca del denominador.

$\frac{2 \tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)} \cdot \frac{1}{(1 + \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}) (1 - \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)})}$

Paso 6

Multiplica $\frac{2 \tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}$ por $\frac{1}{(1 + \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}) (1 - \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)})}$ .

$\frac{2 \tan (x) (3 - \tan^{2} (x))}{(1 - 3 \tan^{2} (x)) (1 + \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)}) (1 - \frac{\tan (x) (3 - \tan^{2} (x))}{1 - 3 \tan^{2} (x)})}$