$\left(2-\sin\left(x\right)\right)\left(-\sin\left(x\right)\right)$

$\frac{d^2y}{dg^2}+2\frac{dy}{dg}=0$

$\int_2^{\infty}\left(\frac{15}{xln\left(x\right)}\right)dx$

$4^{\frac{1}{1}}$

$-23-5y=-7y-11$

$\frac{\sin\:2\:\theta-\cos\:\theta}{1-\sin\:\theta-\cos\:2\:\theta}=\cot\:\theta$

$\left(2.5x^2-3.2y^2\right)-\left(3.5x^2-2.8y^2\right)$