$\tan\left(\frac{u}{2}\right)=\frac{1-\cos\left(u\right)}{\sin\left(u\right)}$

$\int_{-1}^0e^{3x}dx$

$\frac{d}{dx}\sqrt{29}$

$m^2+20m+49$

$\lim_{x\to\pi}\frac{\sin\left(x\right)}{x\cdot\left(x-\pi\right)}$

$6\:.\:10\:+\left(-6\right)$

$\int\frac{1}{x\ln\left(2\right)}+e^{\ln x^2}dx$