$\frac{dy}{dx}=\frac{2y\cos\left(x\right)+\sin^4\left(x\right)}{\sin\left(x\right)}$

$\frac{x+y^{-\frac{2}{3}}}{x\cdot y^{-\frac{2}{3}}}$

$\frac{1}{tan\left(x\right)+cot\left(x\right)}=sin\left(x\right)cos\left(x\right)$

$\frac{dy}{dx}=\sqrt{\frac{2}{3}}$

$\frac{1}{3x^2+x-2}$

$\left(2x+1\right)^0$

$11abn-ban+4ban$