$2\sin^21=0$

$\frac{dy}{dx}=1+y^2+x+xy^2$

$\frac{\cos\left(\infty\right)+\tan\left(\infty\right)}{\cos\left(\infty\right)\cdot\tan\left(\infty\right)}=\cot\left(\infty\right)+\sec\left(\infty\right)$

$\left(-72\right)\::\:\left(-24\right)$

$\left(5m^2+1\right)^3$

$\left(-6\right)\cdot\left|\left(+3\right)+\left(+10\right)\right|$

$\lim_{x\to0}\left(\frac{8^g-5^g}{g}\right)$