Giải phương tình (sqrt 3 an 3x - 3 = 0.)

A. \(x = \frac{\pi }{9} + \frac{{k\pi }}{9},k \in \mathbb{Z}.\)

B. \(x = \frac{\pi }{9} + \frac{{k\pi }}{3},k \in \mathbb{Z}.\)

C. \(x = \frac{\pi }{3} + \frac{{k\pi }}{9},k \in \mathbb{Z}.\)

D. \(x = \frac{\pi }{3} + \frac{{k\pi }}{3},k \in \mathbb{Z}.\)