$\int\sin^2\left(x\right)\cos^2\left(x\right)\sin\left(x\right)dx$

$20-62-2$

$3x^2+6x+4$

$\lim_{x\to0}\left(\left(\frac{x+1}{x-2}\right)^{\senx}\right)$

$\frac{x}{4}+10=34$

$\left(a-3d\right)^2$

$cos^2\theta\:\cdot\:\:sec^2\theta\:\:+cos^2\theta\:\cdot\:\:csc^2\theta\:=csc^2\theta\:$