TT .27 \ / TC

i+jy cosh —y- H-/>2 J/ , ^^3cosh -^ry- +/>^ )• . .,

/ N T . , ^^ \ . , Zizx ^ (^^y . , in-i

r/^)= 2/?* sinh — -y — 20* sinli — 1-7 +.. .dz 2/?'^ ^ ^sinh r-

= A2/?*sinh -— l r— 2/»2cosh -^ +/?*)( i — 2/?^ cosli -^^

Y(,(a7) = I — 2/? cosh —^ + 2»+cosh — 2jO''cosh -^, — h. . .

K K. iv

(TT 2^ \ / TT 37 \ 1 — 2/? cosh -r^ +/>2 W l — 2/?3 cosh --^ +/>^ )

r,(o) = o, 8(kV^) = o,

-/l,(K) = o; ei(K4-K'v/^^) = o.

e ~ H ~ 0j " Hi ~ •

snx.

cn^.

dn^.

Périodes

4K, 2KV-I