$\left(\frac{2}{3}-m\right)\left(\frac{2}{3}+m\right)$

$0,05+0,05$

$\lim\:_{x\to\:\infty}\left(\frac{3e^{x^3}}{4x^3}\right)$

$\sqrt{\left(\frac{1-\cos\left(a\right)^2}{\cos\left(a\right)^2}\right)}=\tan\left(a\right)$

$\sec\left(0.463\right)$

$k^2-24k-25=0$

$\int\left(x+1\right)^2\cdot\sqrt{3+x}dx$