$\csc\left(x\right)+\frac{\tan\left(x\right)}{\cos\left(x\right)}$

$\frac{5x^2+x-34}{\left(x+1\right)^2\left(x-4\right)}$

$32\sin\left(x\right)\cos\left(x\right)=8$

$\int\frac{3x-4}{\left(3x^2-8x+1\right)^9}dx$

$\int\:\left(7.4e^{-4x+7}\right)dx$

$\int\frac{6x-7}{x^2\left(x+2\right)}dx$

$sin\left(2x\right)-2sin\left(x\right)+1=0$