$\lim_{x\to\pi}\:\left(x-\pi\right)\cos\left(\frac{3\pi}{2}-x\right)$

$6\left(2x-8\right)\:>\:24$

$ye^x\frac{dy}{dx}=e^{-y}\left(1+e^{-2x}\right)$

$\int\frac{10}{3}\left(x+7\right)+\frac{7}{3}\left(x+7\right)dx$

$\int\frac{x-1}{\left(x^2+4x+5\right)\left(x+1\right)}dx$

$\tan\left(x\right)\left(1+\sin\left(x\right)\cos\left(x\right)\right)-\sin^3\left(x\right)\csc\left(x\right)$

$1.4\cdot8$