Trigonometria Exemplos

$4 \cos^{3} (x) - 3 \cos (x)$

Etapa 1

Fatore $\cos (x)$ de $4 \cos^{3} (x)$ .

$\cos (x) (4 \cos^{2} (x)) - 3 \cos (x)$

Etapa 2

Fatore $\cos (x)$ de $- 3 \cos (x)$ .

$\cos (x) (4 \cos^{2} (x)) + \cos (x) \cdot - 3$

Etapa 3

Fatore $\cos (x)$ de $\cos (x) (4 \cos^{2} (x)) + \cos (x) \cdot - 3$ .

$\cos (x) (4 \cos^{2} (x) - 3)$