$-4\cos\phi-2\sqrt{3}=0$
$\log_a\left(\frac{\sqrt{x^2+y}}{a^3}\right)$
$\frac{d}{dx}\sqrt[3]{4x+9}$
$\frac{d}{dx}5^{x^3+x^2}$
$\frac{x^2-25}{x+5}$
$\lim_{x\to0}\left(\frac{1}{z}-\frac{1}{e^x-1}\right)$
$14-\left(-48\right)+\left(-112\right)+8$
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