FORMULES CONCERNANT LES FONCTIONS ELLIPTIQUES

{Notation de Weierstrass,)

.co, q = e "«

6|(a?) = a\]^\ */ cos(fî/n-i) ,

6,(a?) = I -h 2 ^( — i)^ y»*cos

63(2?) = I -+- 'i 2^qn^ cos-—^

0 {œ) = 2 V (— O^^v ^/sin(2/i-hi) -— •

1 /TCJC

e,(a?) = 63(2? -h (Di), ei(ar) = 63(3? + caO^^'^e'^^S

6(0?) = — ôi(a?-4-a)i), e3(a?H-2a>i) = 63(3?), 62(37 + 20)2)= ej(a?), 61(5? -h 20)1) = — 61 (a?), 6 (a?-+- 20)0 = — 6 (a?).