Sin 120 Drajat x cos 30 Drajat + cos 120 Drajat x sin 30 Drajat =.....
Matematika
tiya79
Pertanyaan
Sin 120 Drajat x cos 30 Drajat + cos 120 Drajat x sin 30 Drajat =.....
1 Jawaban
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1. Jawaban Anonyme
Bab Trigonometri
Matematika SMA Kelas X
sin 120° . cos 30° + cos 120° sin 30°
= sin (120° + 30°)
= sin 150°
= 1/2