integral (sin 4x cos x - cos 4x sin x) dx
Matematika
faisal441
Pertanyaan
integral (sin 4x cos x - cos 4x sin x) dx
1 Jawaban
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1. Jawaban Anonyme
jawab
∫ (sin 4x cos x - cos 4x sin x) dx =
= ∫ sin (4x - x) dx
= ∫ sin 3x dx
= - 1/3 cos (3x) dx + c