$\int_0^47xdx$
$x^2+2x-18$
$\frac{1}{2}x+\frac{3}{2}x$
$\cos\left(2x\right)-\cos\left(4x\right)=3\sin\left(3x\right)$
$\left(+34\right)\:-\:\left(-44\right)$
$\left(\sec\left(b\right)\right)+1\left(\sec\left(b\right)-1\right)=\tan^2\left(b\right)$
$\sqrt{\left(1\right)^2+\left(t\right)^2+\left(2t\right)^2}$
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