$csc^2\left(x\right)cos\left(2x\right)$
$\frac{dy}{dx}=y+x^3+3x^2-2x$
$18c+9$
$csc\left(x+5\pi\right)=-cscx$
$\lim_{x\to4}\frac{x^4+256}{x-4}$
$\left(a^{2\:}b\right)^6$
$14.7=15.3+n$
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