$\int\left(4x-3\right)^9dx$

$\int\arcsin axdx$

$4t^2+8t+4$

$\csc\left(a\right)+\:\sin\left(a\right)=\cot\left(a\right)\cos\left(a\right)$

$\left(m^3n-2mn^2-3n^2-8mn\right)+\left(8^2n-6mn+5m^2-4mn^2\right)$

$tan\:\theta\:\:csc\:\theta\:\:cos\theta\:\:=\:1$

$1,05-1,3$