sinh(x) ------- x
cosh(x) sinh(x) ------- - ------- x 2 x
2*cosh(x) 2*sinh(x) - --------- + --------- + sinh(x) x 2 x --------------------------------- x
6*sinh(x) 3*sinh(x) 6*cosh(x) - --------- - --------- + --------- + cosh(x) 3 x 2 x x --------------------------------------------- x