Решите уравнение \(\tg x=\frac{1}{2}.\)

• \(\arctg \frac{1}{2}+\pi n, n\in Z\)
• \(\arctg \frac{1}{2}+2\pi n, n\in Z\)
• \(\frac{\pi}{6}+\pi n, n\in Z\)
• \(\frac{\pi}{4}+\pi n, n\in Z\)