79 
Posito in his Cosi<^:=i, comparantur 
I Cos logf 1 +ti)^ ~ 
H-CO 
=i-».S(-i) 
..+yi’vO(’^^) ('y 
n=i 
w -j- 1 
' Sin'A.T!.'-+A.Tg- +....+ A.Tg- ) , 
' ”l ®2 ®n/ 
Sinlog (l+u) zu 
_ / 
— K< W-^S(-0 
n=i 
u Sin(A.Tg-+A.Tg-+....+A.Tg 
n -[- 1 
ii niimerice < l , »' reali qualibet. 
a 
Posito autem Sinii)^!, habentur 
~ 2 ' 
...e Cos log( I zz 
)('^y ('^y , 
ff 
l H— I j 
n -j- 1 
M 'Sin^(n+ 1 )^+A.Tgy+A.Tg-+. . . +A.Tg^j|, 
n=iO 
11 + 
y('v)(’^y-('^(2+ïr0 
nz= i 
2 n 
- K SiR(A.Tg-+A.Tg-+. . .+A.Tg— - 
tl=C 5 
—S{- 1 ) 
H=Zl 
00^2'' j y (2n)V 2'>+i »■ ’’ ^ \ 
^ ^ V +’Cos(A.Tg-+A.Ts-+,..+A.Tg— j 
2 H "I“ l 
