$\lim_{x\to\infty}\left(_{\frac{\left(x+1\right)}{x+2}}\right)$
$\frac{3}{2}=\sin\left(x\right)\cdot\cos\left(x\right)$
$\sin\left(2x\right)=\tan\left(x\right)+\tan\left(x\right)\cos\left(2x\right)$
$\lim_{x\to\frac{\pi}{4}}\left(\frac{\sin\left(x\right)-\cos\left(x\right)}{1-\tan\left(x\right)}\right)^x$
$\frac{1}{4}z^3-5z^5+4z^3-2$
$3b^2-b-8$
$\left(5w-b\right)^4$
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