$\left(-3.55\right)+\left(34.25\right)$

$\tan x+\cot\tan y=2$

$\left(3x+2\right)\left(3a-2\right)$

$\frac{\sin2\theta}{\cos^2\theta}=2\tan\theta$

$\left(3x+8x^2\right)+\left(x^2-x+8\right)$

$\lim_{x\to\infty}\left(\frac{x}{\ln\left(1+e^x\right)}\right)$

$\frac{1-\sin^2\left(\frac{3\pi}{2}+x\right)}{1-\sin^2\left(\pi+x\right)}$