Tan x = 1/√3 , 0° <= X <= 2x

Materi : Persamaan Trigonometri

Pembahasan :
Batas Interval 0° ≤ x ≤ 2π

Tan x = 1/√3
Tan x = Tan 30° , Tan (180 + 30)°
Tan x = Tan 30° , Tan 210°
x = 30° , 210°
x = 30/180 π , 210/180 π
x = 1/6 π , 7/6 π

Hp : {π/6 , 7π/6}