Реши уравнение

\(8\cos^2x-2\sqrt3\sin x+1=0\)

1. \(\dfrac{\pi}3+2\pi n,\space n\in\mathbb{Z}\) и \(\dfrac{2\pi}3+2\pi m,\space m\in\mathbb{Z}\)
2. \(\dfrac{\pi}2+2\pi n,\space n\in\mathbb{Z}\) и \(\dfrac{2\pi}3+2\pi m,\space m\in\mathbb{Z}\)
3. \(\dfrac{\pi}3+2\pi n,\space n\in\mathbb{Z}\) и \(\dfrac{3\pi}2+2\pi m,\space m\in\mathbb{Z}\)
4. \(\dfrac{\pi}3+\pi n,\space n\in\mathbb{Z}\) и \(\dfrac{2\pi}3+\pi m,\space m\in\mathbb{Z}\)

Ответ:[ ].