51 
fuerit *), vera erit uua vel altera æqualionum 
(3) . . . . ±1^ i Cos 2nj j^Cos Ai-cTg|^-— Cot m j + K:iSlnArcTg| ^^,Cot »i J 
j 
|^CosArcTg*--|-K' _i SinArcTg-^X 
— 2 , 2 \ 1 
n-u+v-n+u+v'^Y V y \ 
K -lSin(ArcTg ArcTg - , 
7i-n Ti+u 
X 
X 
2 ^ 2 \ 1 
2 n-u+v^ 271 +u+v^Vt 
2'V2 «2 2 
7 T 
TX ■ 
V 
Cos(ArcTg ArcTe 
Sy-i-zt 
'2.+J 
&c. 
i. e. alterutra quantitatum membri prioris certe est limes , in 
quem crescente n indefinite tendit productum 
i)... 2 n+u+vy (nn-n+u‘^ 
\ ^ / \ 2^71-^ 2^7r“ / \ n^Ti^ j ^ 
[cosfArcTg^./ArcTg --- Ai-cTg— ]-..,-Y AreTg-l-ArcTg_i-')l + 
^ ^ ?r+u/ nn u ^nn+u'J 
-{-y'-i Sin 
V 
L 
ArcTg — , 
u 
■( 
ArcTg 
V 
-ArcTg 
nn-u mtt+m 
r+M/Jj 
*) Ista equidem positio particularis reverâ ia iis, quae heic allata sunt, compre- 
henditur salvis certe reservatis quibusdam; nos tamen, ne in ineptam abiret verbosi- 
tatem oratio — quippe quod metam heic nobis propositam, omni hujusce positionis 
ratione posthabita, contingere possumus —, totam hanc rem in præsenli intactam re- 
licturi id solum monitum voluimus , quod ipsi moduli quantitatum supra descriptarum 
