Решите уравнение \(4\sin^2x = 3\) .

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