$3x^3+12-32x-13x^2$
$\left(\sin\left(x\right)\right)^2=\frac{1}{2}$
$3x-1\le7+x$
$\int t^3\sin2tdt$
$\int\left(\frac{3}{x^3}-\frac{2}{7x}+3x-1\right)dx$
$3+6\cdot\cos2x=0$
$\cos\left(33.7\right)$
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