Cálculo Ejemplos

$\frac{\sin (x) \sin (y)}{\cos (x) \cos (y)}$

Paso 1

Separa las fracciones.

$\frac{\sin (y)}{\cos (y)} \cdot \frac{\sin (x)}{\cos (x)}$

Paso 2

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

$\frac{\sin (y)}{\cos (y)} \tan (x)$

Paso 3

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

$\tan (y) \tan (x)$