$\int60ln\left(x+1\right)dx$

$161-460x$

$\left(\frac{1}{\sin\left(b\right)}+\left(\frac{1}{\tan\left(b\right)}\right)\right)^2=\frac{1-\cos\left(b\right)}{1+\cos\left(b\right)}$

$\frac{d^4}{dx^4}\:x^3$

$3\left(2x-6\right)+10x-14$

$\frac{1}{t^3\sqrt{t^2-1}}$

$x\left(y+5\right)+3y+15$