$34j^2+92j=0$
$\frac{cos\left(a-b\right)}{cosacosb}=1+tanatanb$
$\left(ab\right)\left(a^2b^2\right)$
$\int2\cdot\cos^3\left(x\right)dx$
$\int_0^t\left(2000\cdot\sin\left(14.39t-14.39x\right)\right)dx$
$2y-7\le5y+3$
$\frac{dy}{dx}\left(1+\frac{1}{x}\right)^{2x}$
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