$9g^2-6gm+m^2$

$cos\left(2x\right)=\frac{4}{5}$

$\int\frac{x-3}{x^{2}+15x+56}dx$

$\frac{16}{25}+cos^2=1$

$\csc\left(x\right)+\csc\left(x\right)\cot\left(x\right)$

$\int\left(\frac{3x^2-6x-3}{\left(x-1\right)^2\left(x^2+1\right)}\right)dx$

$\frac{64x^4-25y^6}{8x^2+5y^3}$