$\lim_{x\to\infty}\left(ln\left(x\right)-ln\left(ln\left(x\right)\right)\right)$

$\int\left(\sin\left(x\right)\left(\cos\left(x\right)-1\right)^2\right)dx$

$\int_{2x}^{3x}\frac{\sin\left(t\right)}{t}dx$

$5-\log8x=2$

$\left(1-\cos\left(x\right)\right)\left(1+\left(\frac{1}{cos\left(x\right)}\right)\right)=tan\left(x\right)sin\left(x\right)$

$\frac{1}{\pi}\int_{-\pi}^{\pi}\left(x^2\cos\left(x\right)\right)dx$