acos Mul 2 Add tan Pow sec Add -4 tanh x6 Add -1 cot x0 3 
Mul -1 Mul Mul 2 Mul Pow sec Pow sec Add -4 tanh x6 Add -1 cot x0 2 Mul Pow sec Add -4 tanh x6 Add Add -1 cot x0 -1 Mul Mul sec Add -4 tanh x6 log sec Add -4 tanh x6 Mul -1 Pow csc x0 2 Pow sqrt Add 1 Mul -1 Mul Mul 2 Add tan Pow sec Add -4 tanh x6 Add -1 cot x0 3 Mul 2 Add tan Pow sec Add -4 tanh x6 Add -1 cot x0 3 -1 