Trigonometria Exemplos

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

Etapa 1

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

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

Etapa 2

Separe as frações.

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

Etapa 3

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

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

Etapa 4

Divida $\sin (x)$ por $1$ .

$\cos (x) + \sin (x) \tan (x)$