Решите уравнение \(4tg\frac{x}{2}-4=0.\)

• \(\frac{\pi}{2}+2\pi n, n\epsilon Z.\)
• \(\frac{\pi}{2}+\pi n, n\epsilon Z.\)
• \(-\frac{\pi}{2}+2\pi n, n\epsilon Z.\)
• \(-\frac{\pi}{2}+\pi n, n\epsilon Z.\)