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Question #66116

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Apr 16, 2017

$"A"(x)=1/3sin3x-1/3sqrt3cos3x+"c"$

Explanation:

Recall that $intcos(ax)$ $dx=1/asinx$ and $intsin(ax)$ $dx=-1/acosx$ .

$intcos3x+sqrt3sin3x$ $dx=intcos3x$ $dx+sqrt3intsin3x$ $dx=$
$1/3sin3x-1/3sqrt3cos3x+"c"$

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