Integral ((1- cos x) ^3)
Matematika
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Integral ((1- cos x) ^3)
1 Jawaban
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1. Jawaban DB45
Integral Tak Tentu Trigonomteri
∫(1 - cos x)³ dx =
= ∫ 1 + 3(1²)(-cos x) + 3(1)(-cos x)² + (-cos x)³ dx
= ∫ 1 - 3 cos x + 3 cos² x - cos³ x dx
= ¹/₁₂ (30 x - 45 sinx + 9 sinx - sin 3x ) +C
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