83 
2:o) 
Posito Siiiu>=: I , 
æquatioiies (II) abeunt in 
ID) 
— j’.ArcTgM 
( 1 + « Cos [ (U ArcTg M + log ( 1 + 
•+A.Tg 
V 
ß-n + 1 
n=sD 
„ V[+(Jx V-l 
2~l 
l+f— Ji4 — ^1 .Sinl A.Tff-+A.Tff- 
fi-2n+2) j V f«-l 
.... +A.Tg 
ft-2n+2^ 
.... +A.Tg 
V 
[i~2n+l 
ct 
2\2 
-V ^ — î'.ArcX^M 
Sin [^(i(ArcTgM+log(l +it^) 
n=so 
n=i 
1 + 
I r 
• • • ' 
I L 
1 + 
" Y' 
/ tlJl V V 
.Sin(_+A.Tg-+A.Tg 
\2 ft |u-l 
. . . + A.Tg 
f.i-n+ J 
IS 
