tentukan nilai trigonometri 330 derajat

sin 330°
= sin (270+60)°
= -cos60°
= -1/2

cos 330°
= cos (270+60)°
= sin 60°
= 1/2 akar 3

tan 330°
= tan (270+60)°
= -cot60°
= -1/3 akar 3