25 point!! pakek cara yaa

TriGonoMetRi

tan 3x + √3 = 0
tan 3x = -√3
tan 3x = tan 120°
x = (120° + k.180°)/3
x = 40° + k.60°
k bil bulat = 0, 1, 2, 3,..

x0 = 40° = 2π/9
x1 = 100° = 5π/9
x2 = 160° = 8π/9
x3 = 220° = 11π/9
x4 = 280° = 14π/9
x5 = 340° = 17π/9

Opsi A