$\left(\sec\left(d\right)+\tan\left(d\right)\right)^2$
$-\left(-3+2\right)-\left(2-4-3\right)-\left(-8-12\right)$
$9+2x-18x+14y-10$
$\int3e^{2x-1}dx$
$\frac{1}{n}x^n$
$\int sin\left(\frac{x}{2}\right)\cdot sin\left(nx\right)dx$
$\frac{dy}{dx}=\frac{x^2-7}{y^2}$
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