$\sqrt{x}+h-\sqrt{x}$
$8\cos^2\left(x\right)-1=0$
$14x\:+\:9=22x+1$
$\frac{x+5}{2}\le\frac{12+3x}{4}$
$cot^2xsec^2x+csc^2x$
$\int sec^2\left(6x+12\right)dx$
$\lim_{n\to\infty}\left(\frac{\frac{n}{3^n}+1}{\frac{n}{2^n}+1}\right)$
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