Pow x0 sec Add -0.962962962962963 x0 
Mul Pow x0 Add sec Add -0.962962962962963 x0 -1 Add sec Add -0.962962962962963 x0 Mul Mul x0 log x0 Mul tan Add -0.962962962962963 x0 sec Add -0.962962962962963 x0 