$4,6s-0,4s+0,4$

$\frac{1}{\left(\frac{\sin\left(x\right)}{cos\left(x\right)}\right)}$

$\frac{1-y^{12}}{1-y^4}$

$\left(x\left(\frac{1}{2}\right)+x\left(\frac{1}{4}\right)-1\right)\left(3\right)$

$\int\left(2x^2+x-2\right)e^{3x}dx$

$\int\frac{z^4}{9+z^2}dz$

$\sin^22x=1$