$\cos\left(x-\frac{\pi}{3}\right)=0.5$

$1-\sin\left(x\right)\left(\csc\left(x\right)\cot\left(x\right)\right)$

$\frac{d}{dx}x^{-1}+\frac{1}{15}x^2-\frac{1}{6}x$

$\sqrt[4]{x^6y^4}$

$4-18+5-33$

$\lim_{x\to e}\left(\frac{e^{x-e}-1}{ln\left(x\right)-1}\right)$

$\left(\sin\left(2x\right)\right)\cos\left(\frac{x}{3}\right)$