$\int cosbx\:dx$

$\frac{\left(1-\cot\left(w\right)\right)}{\csc\left(w\right)}=\frac{\left(1+\tan\left(w\right)\right)}{\sec\left(w\right)}$

$25x^2-50x+25$

$\frac{dy}{dx}=4y,\:y\left(0\right)=4$

$csc\left(100\right)-sec\left(225\right)$

$15\left(x+2\right)$

$3x+6=4x+7\:$