$\lim_{x\to1}\left(\frac{\ln\left(x\right)}{sin\left(3\pi x\right)}\right)$

$\int\:x\:^3\sqrt{3x+2}dx$

$\frac{\tan\left(x\right)-\sin\left(x\right)\cos\left(x\right)}{sin^2\left(x\right)}=\tan\left(x\right)$

$-40\cdot58$

$6x+4<3x-8$

$\left(x+1\right)^3\:-\:3x^2\:-\:1\cdot\frac{\left(x+1\right)}{\left(x+2\right)}$

$-91\:+\:-19\:+\:1\:+\:90$