$1-2\left(\cos\left(x\right)\right)^2$
$\lim_{x\to0}\left(\frac{\sqrt{y+16}-4}{y}\right)$
$7x+5>19$
$\frac{\sinh\left(z\right)}{z^4\left(1-z^2\right)}$
$2-w>5$
$7\left(-6\right)-2$
$\lim_{x\to0}\left(\frac{1\left(1-x\right)^{\frac{1}{4}}}{x}\right)$
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