csc Add sec Add cot x3 Pow x6 x0 x0 
Mul Mul Mul -1 cot Add sec Add cot x3 Pow x6 x0 x0 csc Add sec Add cot x3 Pow x6 x0 x0 Add Mul Mul tan Add cot x3 Pow x6 x0 sec Add cot x3 Pow x6 x0 Mul Pow x6 Add x0 -1 Mul x6 log x6 1 