integral(cos2x-2sin x)dx=...
Matematika
donny93
Pertanyaan
integral(cos2x-2sin x)dx=...
1 Jawaban
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1. Jawaban Anonyme
jawab
∫ cos 2x - 2 sin x dx =
= 1/2 (sin 2x) - 2 (- cos x) + c
= 1/2 sin2x + 2 cos x + c
= 1/2 ( 2 sin x cos x ) + 2 cos x + c
= sin x cos x + 2 cos x + c
= cos x ( sin x + 2) + c