$34.57+7.8262+.67$

$\sec^2\left(x\right)+\csc^2\left(x\right)-2=2\cot^2\left(x\right)$

$3=z-11$

$\lim_{x\to\infty}\left(\frac{10x^2-x+35}{2x^2+10}\right)$

$-3x^2-3y^2+3x$

$\frac{1}{n-10}=\frac{-n}{8n-24}$

$8\left(1\right)+16\cdot1^2+4\left(1\right)+10-2\left(1\right)+4\cdot4\left(1\right)^2+16\left(1\right)+74$