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Mapel: Matematika
Kategori: Limit
Kata kunci: Limit trigonometri
Kode: 11.2.7 (Kelas 11 Matematika Bab 7-Limit)
Pembahasan:
untuk limit trigonometri berlaku:
rumus cos sudut rangkap:
cos 2α = 1 - 2 sin ² 1/2 α
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