$\frac{d}{dx}x^3-xy+y^2=x+7$

$m-6+15m^2$

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

$x^2-2x+1=17$

$\lim_{x\to0}\left(4\right)\sqrt[2]{x}-4$

$\frac{1-tan^4x}{1-tan^2x}$

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