$7cot^2\left(y\right)\left(sec^2\left(y\right)-1\right)=7$
$-3177+-855$
$\int\:sin\left(ax+3b\right)dx$
$\frac{1}{5}x^2+10=240$
$\frac{dy}{dx}=-y^2+y$
$\int\left(16+x^2\right)^{-6}dx$
$2b^2\:+\:b\:+\:1$
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