$\left(-34\right)\left(23\right)$
$\int\left(\frac{\csc\left(x\right)\cot\left(x\right)}{2}\right)dx$
$4255\cdot08$
$\sin\left(x\right)+4\cos\left(5y\right)=4$
$-2x^2+30x+20$
$\left(2x^2-5r^4\right)^3$
$\left(t^2+1\right)w'+tw=t$
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