$\left(17+cot\left(x\right)\right)\left(17-cot\left(x\right)\right)+csc^2x$

$\left(-\frac{4}{5}m^3n^2+5m^2n^3-7mn\right).\left(-m^2n^4+\frac{12}{5}mn\right)$

$\int n^3dn$

$\sqrt[48]{1.04348}$

$\sin\left(x\right)^2+\cos\left(0.3\right)^2=1$

$5^4-8\left(5\right)^3+9\left(5\right)^2$

$\int\left(x^2\right)\left(\sqrt{2x+1}\right)dx$