$2\sec\left(x\right)^2+\tan\left(x\right)=8$
$\lim_{x\to-30}\left(g\right)x$
$-3^2+\left(-4+7\right)\left(2\right)$
$\lim_{x\to1}\left(\sqrt{x-1}\right)$
$3\sec\frac{1}{2}\theta=\tan^2\frac{1}{2}$
$x^2-12x+24$
$16g^4+40g^2v^5+25v^{10}$
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