2S 
1 / m 1 m 3 in’ 71 î 
2« \ ' *22.3 1.2.3 in j 
e\ quibus duobus coëfficientibus cum alius quicunque fa- 
cile determinatur, valor seriei (oOj perfeetc cognitus bel; 
atque sic, si valor ipsius in serie (50) substituatur, 
et e 1 " et, quæ sequuntur, dignitates ipsius e negligantur , 
per integrationem obtinebitur 
1 5 
Ô — v — (2? e> -4 ; t~ 
' 2 2 2°. 3 
+ 
107 6217 
J 
2 9 . 3 2 2 1 
+ 
2 1 3 .3 2 .5 
565879 
2 16 .3 5 .5 7 
43 
e 1 1 ) Sin X 
11 17 
— - — e 4 -4- e 5 -4“ 
2 3 . 3 2 6 . 3 2 7 . 3 2 . 5 
+ ( 
13 
, 43 
95 
2 2 . 3 5 
2 S “ 
103 
.4 
45 1 
2 5 .3 
2 5 . 3 . 5 
e -t” 
677 7237 . , 
e 10 -4- e 12, ) Sin 2x 
2 9 . 3 3 .5 2 1 ° . 3 3 . 5 . 7 ’ 
973 19503 
> 7 — — — e Il \ Sin 3x 
2 1 2 .3.5 2 1 6 .5.7 / 
4123 
2*73.5 
1619 
2 7 .3 3 . 7 
, t o 
, 111929 
+ ) Sin 4 
1 2 1 3 .3 3 .5.7 > 
+ ( 
1097 
2 6 .3.5 
e 1 1 ) Sin 5 x 
+ ( 
1223 
2 6 .3.5 
5957 164921 4305913 
. ß 7 — I— ß 9 
2 9 . 3 2 2 12 .3 2 .7 2 1 7 .3 3 .7 
7913 7751 82021 
— K -z- e ® + — — ^ ° — e 12 ) Sin 6 x 
2 7 .5 .7 2 lo .7 2 Ir .3.5.7 ' 
