Question

BIG POIN
MATEMATIKA WAJIB KELAS 10 ​

Answer 1

Kelas 10 Matematika

Bab Trigonometri

4 . cos x = 2 √3

cos x = (2 √3)/4

cos x = 1/2 √3

x = 30° dan 330°

HP = { 30°, 330° }