sin (4x-2)/tan (2x-1)
Matematika
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Pertanyaan
sin (4x-2)/tan (2x-1)
1 Jawaban
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1. Jawaban Anonyme
Bab Trigonometri
Matematika SMA Kelas X
sin (4x - 2) / tan (2x - 1)
= (sin 2 (2x - 1)) : (sin (2x - 1) / cos (2x - 1))
= (2 . sin (2x - 1) . cos (2x - 1)) . (cos (2x - 1) / sin (2x - 1)
= 2 . cos² (2x - 1)