/ 2 \ | 2*cosh (x) | |1 - ------------|*sinh(x) | 2 | \ 1 + sinh (x)/ -------------------------- 2 1 + sinh (x)
/ 2 2 2 2 \ | 6*sinh (x) 2*cosh (x) 8*cosh (x)*sinh (x)| |1 - ------------ - ------------ + -------------------|*cosh(x) | 2 2 2 | | 1 + sinh (x) 1 + sinh (x) / 2 \ | \ \1 + sinh (x)/ / --------------------------------------------------------------- 2 1 + sinh (x)