Trigonometria Exemplos

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

Etapa 1

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

$\cos (x) (2 \cos (x)) + \cos (x)$

Etapa 2

Multiplique por $1$ .

$\cos (x) (2 \cos (x)) + \cos (x) \cdot 1$

Etapa 3

Fatore $\cos (x)$ de $\cos (x) (2 \cos (x)) + \cos (x) \cdot 1$ .

$\cos (x) (2 \cos (x) + 1)$