$cos\left[arcsin\left(\frac{x-h}{r}\right)\right]$
$\left(3m-18\right)^2$
$\frac{\left(1-tan^2a\right)}{1-cot^2a}$
$\left(a+b+c\right)^3-\left(a+b+c\right)^3+\left(a-b+c\right)^3-\left(a+b+c\right)^3$
$2x^2-x=-5$
$2\left(10+12\right)-3\left(10-12\right)$
$\frac{dy}{dx}=\frac{x-1}{xy+6x-9y-54}$
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