Selesaikan $$$\cos{\left(2 x \right)} = 0$$$ terhadap $$$x$$$

Selesaikan persamaan $$$\cos{\left(2 x \right)} = 0$$$ terhadap $$$x$$$.

Akar real

$$$x\in\left\{\pi \left(n - \frac{1}{4}\right)\; \middle|\; n \in \mathbb{Z}\right\}\approx \left\{3.141592653589793 n - 0.785398163397448\; \middle|\; n \in \mathbb{Z}\right\}$$$

$$$x\in\left\{\pi \left(n + \frac{1}{4}\right)\; \middle|\; n \in \mathbb{Z}\right\}\approx \left\{3.141592653589793 n + 0.785398163397448\; \middle|\; n \in \mathbb{Z}\right\}$$$

Akar-akar kompleks

Tampaknya tidak ada akar kompleks.