Nilai 2 cos 30°+2 sin 300°-cos 180° By Admin ReiPosted on December 9, 2022 Nilai 2 cos 30°+2 sin 300°-cos 180° Jawabannya -1 , cos 30°= 1/2 akar 3Sin 300° = -1/2 akar 3, cos 180° = 1
