Sederhanakan (sinx+cosx)²-2 sinx
Matematika
shaniaandrisa1
Pertanyaan
Sederhanakan (sinx+cosx)²-2 sinx
1 Jawaban
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1. Jawaban Anonyme
(sinx+cosx)²-2 sinx = (sin²x + 2sinxcosx + cos²x) - 2 sinx = 1 + sin2x - 2sinx