CHAPITRE XV. 58 9

62. Cherchons maintenant la parallaxe K par la série (jui emploiel’angle subsidiaire x-

Compl. cos \n.... 0.0000008cos(L—N+in)^ 3o ^8 17 ,5 .... 9.933195 2tang h = 27.30.10.9.7165281

tangx = 24. 3.21 ...A = 89.27.15

(A— x) = 65 . 23.54

2 (A—x) = 1 3 o. 47.485 (A — x) = 196.11.42

sin <sr cos hC. cos x

log msin (A— æ),C. sin 1'.

. 9.6497241

. 8 .i 443557. o.o394585

. 8.1838142. 9.9586709. 5.3 i 44 2 5 i

i cr terme 47 , 45 ff 3 59. 3.3569102

2log/«.... 6.36753sin 2 (A — jc).... 9.87911C.sin2". ... 5 .oi 34 o

2 e terme 18^202.... 1.26004

Z\ogm ... . 4.55i44sin 3 (A — x ) —' 9 .445466 sin 3 *.... 4 - 8373 o

3 e terme — o%o68.... 8.834 20

'jt = 48' 1^724

A = 89* 27.i 5 ,o

A-f-TT E= 90.l5.l6j724

X S= 24 . 3.21

sin(A-j-'7l’— x ) = 66.11.55 ,7... .77 9.9613983

ci-dessus logm.8.1838142

sin. ^ s= 48' i*,7i _

8 .1452125