Question

O conjunto solução de (\operatorname{tg}^2 x - 1)(1 - \operatorname{cotg}^2 x) = 4, x 
eq k\pi/2, k \in \mathbb{Z}, é

Accepted Answer

\left\{\dfrac{\pi}{8} + \dfrac{k\pi}{4};\ k \in \mathbb{Z}\right\}

Answer

\left\{\dfrac{\pi}{3} + \dfrac{k\pi}{4};\ k \in \mathbb{Z}\right\}

Answer

\left\{\dfrac{\pi}{4} + \dfrac{k\pi}{4};\ k \in \mathbb{Z}\right\}

Answer

\left\{\dfrac{\pi}{6} + \dfrac{k\pi}{4};\ k \in \mathbb{Z}\right\}

Answer

\left\{\dfrac{\pi}{12} + \dfrac{k\pi}{4};\ k \in \mathbb{Z}\right\}

ITA 2006 — Questão 9

Explicação detalhada da IA