$^{\sin\left(4\right)}=1-\:\cos\left(2\right)^2$
$\frac{4x^3+6x^2-10x+8}{x-4}$
$\lim_{x\to0}\left(x\ln\sin\left(x\right)\right)$
$8\sqrt{-720}$
$\int\left(\frac{x^4}{-7+x^5}\right)dx$
$4x^2-6x<6x-9$
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