Question

PERSAMAAN TRIGONOMETRI
soal di pict
pakai cara

Answer 1

Verified answer

Tan²x - 1 = 0
tan²x = 1
tan x = +/- 1

tan x = 1
tan x = tan 45°

x = 45 + k.180
k = 0, x = 45°
k = 1, x = 225°

tan x = -1
tan x = tan (-45)°

x = -45 + k.180
k = 1, x = 135°
k = 2, x = 315°

Hp = {45°; 135°; 225°; 315°}

Answer 2

Verified answer

Materi : Persamaan Trigonometri
Jawaban : {45° , 135° , 225° , 315°}