sech sech Add -2.75000000000000 Mul x0 Add sec asin x0 pi 
Mul Mul tanh sech Add -2.75000000000000 Mul x0 Add sec asin x0 pi Mul -1 sech sech Add -2.75000000000000 Mul x0 Add sec asin x0 pi Mul Mul tanh Add -2.75000000000000 Mul x0 Add sec asin x0 pi Mul -1 sech Add -2.75000000000000 Mul x0 Add sec asin x0 pi Add Add sec asin x0 pi Mul x0 Mul Mul tan asin x0 sec asin x0 Pow sqrt Add 1 Mul -1 Mul x0 x0 -1 