) o { ^ 
CoC 2 s) — ^ek Cof. ( 2 + r *— j ; - — ^ ek Cof. 
(2?;4*r -f-i*) ~ (2y — 6 Cof. r + 2(3 ft 
72 72 
+ y) k Cof. r 4- 6 fRdr — Cof. J 4- -J <? Cof. 2 Yi 
4-* 3 ^ Cof. ( 2 >— r ) 4 - 3 ^ CoC (2 + r) - — | e Cof. ir} 
^s) — le Cof. (2;54-j‘))4-|y(3 Cof. j; ~h V ä Cof. 
{yj-r)—- 6 e Cof. ( yj—s) 4 - sCof. 2?j+ y ^Cor.(;; 
4 -^)t- 6^ Cof. 7? 4-^+ Cof. {'^y] — r) — ioeCor.3;j 
j) 4- V k CoC (3>? 4- r) — 10 eCof. (3 ;? 4 - ^)) 
4- ( 5 C 0 C 374-5 Cor.3;7)4-i(?2y24-24-3ft+y) 
47272 
- — Tang.^^ (y — Cof. 2(J) — 27 r) (i 4^é-A* 4- 
A CoC r 4- CoC 2 7 '), 
§• 8 » 
I 
Attendendo ad progrefTum calculi, cujusfum- 
mam in § præcedenti expofuimus, facile perfpici- 
tiir quovis fere greflu approximationes efîe infti- 
tutus, quemadmodum etiam , quamcunque adhi- 
bendo methodum in hujus problematis refolutione, 
id haud aliter fieri poteft. Neque hacc ratio tra- 
flandi problemata quicquam detrahit neque ele- 
gantiae neque accurationis debitae, cnm femper in- 
tegrum fit eas approximationes producere, donec 
differentiae fint omnino negligendae, dummodo in 
feries fatis convergentes incidere liceat, aut analy- 
fta noverit eas tales reddere. Ut praeteream.us o- 
mnes approximationes -reliquas , quibus valores di- 
verfi faâorum cofinus angulorum aequationes in- 
grediendum praecedentes indagantur, obfervare in- 
primis licet per introdutlionem vis Solis Lunam 
tur- 
