$4+2+12$
$2\cos\left(x\right)\sin\left(x\right)^2+2\cos\left(x\right)^3$
$\frac{sec\left(x\right)-cox\left(x\right)}{sin\left(x\right)}$
$-3x^2<2x+1$
$\frac{cos\left(x\right)+sin\left(x\right)}{tan\left(x\right)+tan^2\left(x\right)}$
$\:\left(5x-8y\right)^2$
$2x-1>4x+2$
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