tan asin Pow cos Add cot x0 x2 2 
Mul Pow sec asin Pow cos Add cot x0 x2 2 2 Mul Mul cos Add cot x0 x2 Mul 2 Mul Mul -1 sin Add cot x0 x2 Mul -1 Pow csc x0 2 Pow sqrt Add 1 Mul -1 Mul Pow cos Add cot x0 x2 2 Pow cos Add cot x0 x2 2 -1 