Hitunglah nilai berikut A, sin 150° B. Cos330° C. Tan315°

A. Sin 150 = (180 - 150)
= Sin 30
= 1/2

B. Cos 330 = (360 - 330)
= Cos 30
= 1/3 akar 3

C. Tan 315 = (360 - 315)
= Tan 45
= -1