Álgebra Exemplos

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

Etapa 1

Converta de $\frac{1}{\cos (x)}$ em $\sec (x)$ .

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

Etapa 2

Converta de $\frac{\sin (x)}{\cos (x)}$ em $\tan (x)$ .

$\sec (x) \tan (x)$