27 
+ (; 
47273 
- e 
2 9 .3 2 . 7 
556403 
1773271 , 93521303 f< 
e s 4 e 11 \ Sin 7x 
2 1 4 . 3 2 . 5 1 2 1 7 . 3 4 . 5 ' 
4715483 
* 4 “ ( e 8 — 6 1 
' 2 1 °. 3 2 .5.7 2 3 . 3 4 . 5 . 7 
32431919 
2 1 2 . 3 4 . 5 . 7 
e 1 Sin 8 x 
, . 10661993 101836961 
4- ( e 9 — e 11 \ Sin 9 x 
* ' 21 ^. 32 . 5.7 ° 1 7 . 5 2 . 7 ‘ 
, . 7281587 70972457 
J_ I e l ° — e \ Sin 1 0 x 
' ' 2 io . 3 4 . 5.7 2 1 1 . 3 4 . 7 . 1 1 ' 
. , 62929017101 . c . „ 
-4- ( e x 1 \ Sin 1 1 x 
1 '2 I7 .3 4 .5 2 .7.11 ' 
, , 7218065 
+ ( — e 12 \ Sin 12 x. 
' 2 1 3 . 3 . 7 . 1 1 1 
t 
Ex Iiis Titietur, formulam, quam pro aequatione cen- 
tri dedit Qriani , non perfecte esse correctam. Metho- 
dus, qua nos ad coëfficientes ipsius e determinandos usi 
sumus, in hoc maxime se commendat, quod quemlibet 
per antecedentes determinare licet, unde error calculi non 
tam facile committi potest. 
Cum sit 
7. 
f 1 — « 2 A Cos (in u — me Sin u) d u 
B = 
71 
(L — * 2 ) 
71 
f: 
f: 
1 — e Cos k 
Cos (in u — i» e Sin u) (Cos u 
e) du 
(1 — e Cos u) 2. 
