Решите уравнение \(cosx=-\frac{\sqrt3}{2}.\)

• \(\pm{\frac{5\pi}{6}}+2\pi{k},k\in{Z}\)
• \({\frac{5\pi}{6}}+2\pi{k},k\in{Z}\)
• \(\pm{\frac{5\pi}{6}}+\pi{k},k\in{Z}\)
• \(\pm{\frac{5\pi}{3}}+2\pi{k},k\in{Z}\)