$\int_0^{\sqrt{2z-z^2}}\left(x^3\cos^2\left(t\right)\right)dx$

$\frac{1+\sec^2\left(10\right)}{1+\tan^2\left(10\right)}$

$\left(8x^3y^2z\:-\:3x^2y^4z^5\right)^2$

$\left(-x-x^4\right)^3$

$10,000^{\left(1.005\right)\left(12\right)}$

$y-12=75$

$f\left(x\right)=x\left(18-x\right)$