Корень из 3tg(3x+P/6)<1

√3 tg (3x - pi/6) = 3 tg ( 3x - pi/6 ) = 3/√3tg ( 3x - pi/6 ) = √3/33x - pi/6 = pi/6 + pik3x = pi/6 + pi/6 + pik3x = 2pi/6 + pik3x = pi/3 + pikx = pi/9 + pik/3, k ∈ Z