Integral 5 sin 7x cos 2x dx
Matematika
EchaMutiaAlf
Pertanyaan
Integral 5 sin 7x cos 2x dx
1 Jawaban
-
1. Jawaban Anonyme
InTegraL
5 sin 7x cos 2x
= 5/2 . 2 sin 7x cos 2x
= 5/2 (sin 9x + sin 5x)
∫5 sin 7x cos 2x dx
= 5/2 ∫(sin 9x + sin 5x) dx
= 5/2 (-1/9 cos 9x - 1/5 cos 5x) + C
= -5/18 cos 9x - 1/2 cos 5x + C