$\int_{\frac{\pi}{6}}^{\frac{\pi}{3}}1csc^3\left(x\right)dx$

$\frac{\cos\left(x\right)^3-\sin\left(x\right)^3}{\cos\left(x\right)-\sin\left(x\right)}=1-\sin\left(x\right)\cdot\cos\left(x\right)$

$\left(7g-4x\right)^2$

$\left(9x-x^3\right)\left(3x+5\right)$

$\frac{7\cdot6\cdot5\cdot4}{4\cdot3\cdot2\cdot1\:\:\:}\left(4m^3\right)\left(125\right)$

$-13v=195$

$\frac{d}{dx}\left(cos\left(xy\right)=sin\left(x+y\right)\right)$