Hasil 2 cos 120°+sin330°-cos240°
Matematika
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Hasil 2 cos 120°+sin330°-cos240°
1 Jawaban
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Trigonometri
2 . cos 120° + sin 330° - cos 240°
= 2 . (-1/2) + (-1/2) - (-1/2)
= -1 - 1/2 + 1/2
= -1