4 sin (225°-180°) - 2 cos (300°-360°) + 3 sin (135°-180°)+ cos 45°
Matematika
zulyer0909p5pfm9
Pertanyaan
4 sin (225°-180°) - 2 cos (300°-360°) + 3 sin (135°-180°)+ cos 45°
1 Jawaban
-
1. Jawaban aberson17
4 sin 45° + 2 cos 60° - 3 sin 45° + cos 45°
4 x 1/2 akar 2 + 2 cos 1/2 - 3 x 1/2 akar 2 + 1/2 akar 2
2 akar 2 + 1 - 3 akar 2 + akar 2 / 2
-2 akar 2