$\int2x\cdot\csc\left(\frac{x^2}{5}\right)$

$84+\left(-99\right)+33-\left(-28\right)-46$

$-3\cdot60$

$\sec\left(x\right)^2-\sec\left(x\right)+\tan\left(x\right)^2=\left(2\sec\left(x\right)+1\right)\left(\sec\left(x\right)-1\right)$

$2\left(x-1\right)^3$

$\frac{dy}{dx}=90-025y$

$12=4\left(v+5\right)-8v$