$\left(4t^4-3p^3\right)^2$

$\frac{cos\left(x\right)sec\left(x\right)}{cot\left(x\right)}$

$\frac{d}{dx}\left(9x^2+5y^2=25\right)$

$\frac{\infty^7-2}{2\cdot\infty^2+3\cdot\infty}$

$\cos^2\left(x\right)+\tan^2\left(x\right)+\sin^2\left(x\right)-\sec^2\left(x\right)$

$\lim_{x\to-\infty}\frac{x^3}{e^{x^2}}$

$\frac{a-x}{\left(a+x\right)\left(a-x\right)^2}$