$z^3+\sin\left(z\right)=y^2\ln\left(x\right)$

$\frac{1}{1+\sin\left(1\right)}=\left(\sec\left(1\right)-\tan\left(1\right)\right)\sec\left(1\right)$

$\left(\frac{4}{6}x\:+\:\frac{3}{5}\right)\left(\frac{4}{6}x\:-\:\frac{3}{5}\right)$

$36x^2-19x-42$

$\lim_{x\to\infty}\left(\frac{2x^3-1}{x}\right)$

$2\:cos^2x-7\:cos\:x+3=0$

$\left|-302\right|-817$