怎么积sin^3(x)cos(x)?

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怎么积sin^3(x)cos(x)?
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怎么积sin^3(x)cos(x)?
怎么积sin^3(x)cos(x)?

怎么积sin^3(x)cos(x)?
令sin(x)=u,就变成了积u^3du,用基本公式就搞定了,再把u换成sin(x)就行了