急.∫cos^5(5q)sin(5q)dq
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急.∫cos^5(5q)sin(5q)dq急.∫cos^5(5q)sin(5q)dq急.∫cos^5(5q)sin(5q)dq∫(cos(5q))^5sin(5q)dq=-(1/5)∫(cos(5q)
急.∫cos^5(5q)sin(5q)dq
急.∫cos^5(5q)sin(5q)dq
急.∫cos^5(5q)sin(5q)dq
∫(cos(5q))^5sin(5q)dq
=-(1/5)∫(cos(5q))^5dcos(5q)
= -(1/30) [cos(5q)]^6 + C