$tan\left(\theta\right)\:=\frac{sin\left(\theta\right)\:}{cos\left(\theta\right)\:}$

$1x^2+6x+c$

$\left(a+1\right)\left(a^n+a^{n+1}+a^{n+2}\right)$

$\arcsin\left(\sin\left(\frac{7\pi}{4}\right)\right)$

$\int\left(\sec\left(3x+1\right)^2\right)dx$

$-y^2-3y-2$

$5\left(3t+4\right)$