$\frac{8x^2+10x+3}{4x+3}$

$\left(6+9i\right)-\left(7-5i\right)$

$\tan^2\left(c\right)+\sin^2\left(c\right)+\cos^2\left(c\right)=\sec^2\left(c\right)$

$\csc\left(92.6\right)$

$12.89+96.54+59.80$

$\lim_{x\to\infty}\left(1+\frac{2}{x}\right)^{\frac{x}{9}}$

$\lim_{x\to\infty}\left(\frac{5x^4-2x+2}{3x^3+2x^2+1}\right)$