$3x+2>-1$
$\sec^2\left(x\right)\:\cot^2\left(x\right)-\cos^2\left(x\right)\:\csc^2\left(x\right)=1$
$8ab^2-11ab^2$
$\left(6f-2g\right)^2$
$tan\left(cos\left(x\right)+\sqrt{x+x^{3\:}sen\left(x\right)}\right)$
$\frac{d}{dx}\:\frac{2z}{y}-\frac{3y}{z}=8$
$tanxtany+tanytanz+tanztanx$
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