Integral cos 5x cos 3xdx=....
Matematika
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Pertanyaan
Integral cos 5x cos 3xdx=....
1 Jawaban
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1. Jawaban nabnabs
cos(5x)cos(3x)=cos(8x)+cos(2x)
integral cos(5x)cos(3x) dx
=integral cos(8x)+cos(2x) dx
=1/8 sin(8x)+1/2 sin(2x) + C