$\left(\frac{1}{2}x-y\right)^3$

$200+982$

$y=\frac{3}{2}x+8$

$\log x-3\log y+\log1$

$\tan^2\left(x\right)=\frac{1+\tan^2\left(x\right)}{\csc^2x}$

$\sin\left(x\right)+\cot\left(x\right)\cdot\sin\left(x\right)-\cos\left(x\right)$

$\lim_{x\to0}\left(\frac{4^x+5^x}{3^x+6^x}\right)$