hasil dari integral sin ( 1/2 x - π ) cos (1/2 x-π) dx =
Matematika
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Pertanyaan
hasil dari integral sin ( 1/2 x - π ) cos (1/2 x-π) dx =
1 Jawaban
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1. Jawaban Anonyme
dsin (1/2 x - π) = 1/2 cos (1/2 x - π) dx
cos (1/2 x - π) dx = 2 dsin (1/2 x - π)
∫sin (1/2 x - π) cos (1/2 x - π) dx
= 2 ∫sin (1/2 x - π) dsin(1/2 x - π)
= sin² (1/2 x - π) + C