Trigonometría Ejemplos

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

Step 1

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

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

Step 2

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

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

Step 3

Escribe cada expresión con un denominador común de $\cos (x) \sin (x)$ , mediante la multiplicación de cada uno por un factor adecuado de $1$ .

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

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

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

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

Reordena los factores de $\sin (x) \cos (x)$ .

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

Step 4

Combina los numeradores sobre el denominador común.

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

Step 5

Simplifica el numerador.

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Aplica la propiedad distributiva.

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

Multiplica $- \sin (x) \sin (x)$ .

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

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

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

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

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

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

Suma $1$ y $1$ .

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

Aplica la propiedad distributiva.

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

Multiplica $- \cos (x) \cos (x)$ .

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

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

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

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

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

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

Suma $1$ y $1$ .

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

Reordena los factores de $\sin (x) \cos (x)$ .

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

Suma $\cos (x) \sin (x)$ y $\cos (x) \sin (x)$ .

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

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

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Reordena $2 \cos (x)$ y $\sin (x)$ .

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

Reordena $\sin (x)$ y $2$ .

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

Aplica la razón del ángulo doble sinusoidal.

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

Factoriza $- 1$ de $- \sin^{2} (x)$ .

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

Factoriza $- 1$ de $- \cos^{2} (x)$ .

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

Factoriza $- 1$ de $- (\sin^{2} (x)) - (\cos^{2} (x))$ .

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

Aplica la identidad pitagórica.

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

Multiplica $- 1$ por $1$ .

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