Trigonometría Ejemplos

$g (x) = 4 \cos (2 x - π) - 2$

Paso 1

Factoriza $2$ de $4 \cos (2 x - π)$ .

$g (x) = 2 (2 \cos (2 x - π)) - 2$

Paso 2

Factoriza $2$ de $- 2$ .

$g (x) = 2 (2 \cos (2 x - π)) + 2 (- 1)$

Paso 3

Factoriza $2$ de $2 (2 \cos (2 x - π)) + 2 (- 1)$ .

$g (x) = 2 (2 \cos (2 x - π) - 1)$