Answer
$F(x)=-\frac{1}{2}cos 2x +c$
Work Step by Step
$f(x)=sin2x$
$\int f(x)dx = \int sin 2x$
$F(x)= \frac{1}{2}\int(sin2x)$
$F(x)=-\frac{1}{2}cos 2x +c$
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