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[" Let "f(x)=sin^(3)x+sin^(3)(x+(2 pi)/(...

[" Let "f(x)=sin^(3)x+sin^(3)(x+(2 pi)/(3))+sin^(3)(x+(4 pi)/(3))," then "int f(x)dx" is equal to "],[" 1) "(sin3x)/(4)+Cquad " 2) "(cos3x)/(4)+Cquad " 3) "(-3cos3x)/(4)+Cquad " 4) "(-3sin3x)/(4)+C]

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