Mul Pow x0 0.0183156388887342 cot acot x0 
Add Mul cot acot x0 Mul Pow x0 -0.981684361111266 0.0183156388887342 Mul Pow x0 0.0183156388887342 Mul Mul -1 Pow csc acot x0 2 Mul -1 Pow Add 1 Mul x0 x0 -1 