$\frac{dy}{dx}=1+tan\left(y-x\right)$

$\int\frac{4x^2}{\sqrt{x^3+8}}\:dx$

$\frac{1}{2}\left(100\right)\left(10\right)^2$

$\lim_{x\to0}\left(\frac{1}{ln\left(1+x\right)}-\frac{1}{\frac{1}{tan}2x}\right)$

$a^2+a+72$

$2\cdot\sin\left(3x+4\right)$

$\frac{1}{6}\int e^{-3x}\csc\left(3x\right)dx$