$y'+10xy=3x$

$\frac{1}{2\sin10}-2\sin\left(70\right)$

$\frac{\tan\left(\theta\:\right)}{\tan\left(\theta\:\right)+\cot\left(\theta\:\right)}$

$\frac{dy}{dx}=\frac{2}{sin\left(y\right)}$

$\int\frac{x^{3}}{\sqrt{x^{2}+49}}dx$

$1+2+3+4+5+6+7+8+9+10+11+12+13+14+15$

$\int5x\left(x^2+10\right)dx$