Pow sech sec Add -1 sqrt cos asin x0 sin x0 
Mul Pow sech sec Add -1 sqrt cos asin x0 Add sin x0 -1 Add Mul sin x0 Mul Mul tanh sec Add -1 sqrt cos asin x0 Mul -1 sech sec Add -1 sqrt cos asin x0 Mul Mul tan Add -1 sqrt cos asin x0 sec Add -1 sqrt cos asin x0 Mul Pow Mul 2 sqrt cos asin x0 -1 Mul Mul -1 sin asin x0 Pow sqrt Add 1 Mul -1 Mul x0 x0 -1 Mul Mul sech sec Add -1 sqrt cos asin x0 log sech sec Add -1 sqrt cos asin x0 cos x0 