$\lim_{x\to0}\left(\cos\left(2x\right)^{3x-2}\right)$
$\frac{d}{dx}x^{x+8}$
$\int\left(3x^2+1\right)e^{x^3+x-2}dx$
$3cot^2z+7cotz+2$
$1+sin\left(x\right)=cos^2\left(x\right)$
$x^2+4y^2+2x-8y+1=0$
$64x^6+112x^4+49x^2$
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