$\int3\cot\left(x\right)-\frac{7\csc\left(x\right)}{9}-1dx$
$\frac{cos\left(u\right)sec\left(u\right)}{tan\left(u\right)}=cot\left(u\right)$
$-16>x+14$
$\lim_{x\to1}\left(\frac{5}{x-1}-\frac{5}{x^2-1}\right)$
$4\left(-x+4\right)=12$
$\int33x^{-34}dx$
$4^9$
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