2 x cos 300°- 4 x sin210°
Matematika
Umimga
Pertanyaan
2 x cos 300°- 4 x sin210°
1 Jawaban
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Trigonometri
2 . cos 300° - 4 . sin 210°
= 2 . 1/2 - 4 . (-1/2)
= 1 + 2
= 3