Trigonometria Exemplos

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

Etapa 1

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

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

Etapa 2

Separe as frações.

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

Etapa 3

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

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

Etapa 4

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

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