Trigonometria Exemplos

$\cos^{3} (x) + \sin^{2} (x) \cos (x)$

Etapa 1

Fatore $\cos (x)$ de $\cos^{3} (x) + \sin^{2} (x) \cos (x)$ .

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Etapa 1.1

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

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

Etapa 1.2

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

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

Etapa 1.3

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

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

Etapa 2

Reorganize os termos.

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

Etapa 3

Aplique a identidade trigonométrica fundamental.

$\cos (x) \cdot 1$

Etapa 4

Multiplique $\cos (x)$ por $1$ .

$\cos (x)$