$3\frac{1}{3}$

$2sin^2xcosx-3sinxcosx+cosx=0$

$2\left(\csc\left(2x\right)\right)-\tan\left(x\right)=\cot\left(x\right)$

$\lim_{x\to\infty}\left(\frac{\ln\left(x\right)-\ln\left(x+1\right)}{\frac{1}{x}}\right)$

$x^3+3x^2-3x^2-9x+x+3+1$

$\int x^2\left(\frac{x^3}{15}+8\right)^4dx$

$\lim_{x\to\infty}\left(\frac{\left(x^3\cdot e^{-8\cdot x}\right)}{-8}\right)$