Integral cos 4x cos 3x dx
Matematika
Asnur95
Pertanyaan
Integral cos 4x cos 3x dx
1 Jawaban
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1. Jawaban nabilap0
∫ cos 4x.cos 3x dx
= ∫1/2(cos 7x + cos x) dx
= 1/2(1/7.sin 7x + sin x) + C
= 1/14.sin 7x + 1/2.sin x + C