$\frac{\sec\left(x\right)}{\csc\left(x\right)}+\frac{sin\left(x\right)}{\cos\left(x\right)}$

$\frac{3}{1o}+\frac{4}{15}$

$\int\frac{1}{\sqrt{5-x^{2}}}dx$

$\sqrt{\frac{x^2+1}{x^2-1}}$

$y^{10}-4m^6$

$\lim_{x\to\infty}\left(\frac{1-6x+3x^2}{6x^3-4x^2-3x-12}\right)$

$\left(y-1\right)\left(2x+y-2\right)=0$