Решите уравнение: \(4cos^2{x}+4sinx-1=0.\)

• \((-1)^{k+1}\frac{\pi}{6}+{\pi}k,k{\in}Z\)
• \(\frac{\pi}{6}+{\pi}k,k{\in}Z\)
• \(\frac{\pi}{6}+{2\pi}k,k{\in}Z\)
• \(\frac{\pi}{3}+{2\pi}k,k{\in}Z\)