qvicm crgo valorem nib.ilo ;icqiia!em effe oporter , vnde mn* 

 nentc f characiere anguli rcc^li , qiiiu omninm hornm angulorum 

 2^, ^.^^, 6?, 8 ^, ct in gcncrc 2 /' f, fmus tiiancfcunt, idonci 

 anguli pro oj accipiendi hanc progrcllioncm conflitucnt: '_?; li j 



t?; li; etc. quorum quidem numcrus cll infinitus; \erum ob 

 rationes iam antc allcgatas hic tanium priores, numero n — i, 

 accipi conuenict, ita vt vltimus \alorum idoncorum futurus 

 fit ""-"^ . 



§. Tg. Hic quidcm vidctur, primo loco rtiitui dcbuinc 

 anguhim ^; vcrum hinc nalccrctur facftor 11 — - -f- «""' . 



qui inuohiit quadratum , dum ell ^(m — i/, eius(|uc radix 

 u — I, quac hib calibus tantum accipi dcbct , iam in nollro 

 fadore primo u — w""' continetur. l'racterca vcro in illo fac- 

 tore primo etiam continctur «4-1, {)ui autcm in valorc no- 

 ftrum ordinem proximc fequcnte, qui cllct *"-'- — 2 ^~w, con- 



tineretur, fiquidcm hinc rcf\iltaret fa^ftor 



u-\- z-\-u-' — l(u-^ i)\ 



Cacterum vcro patcr , fl angulos illos pro w datos vltra tcr- 

 minum praefcriptum continuare vcilcmns, corum coflnus inm 

 in anrcccdcntibus contineri. Vchiii li fiimercmus o)— """^ - ''? 

 forct 4. f — (ij ~ »'" — ''p ^ c[m in alli^nutis valoribus iam con- 

 tinctur. 



5. T9. Fertituamns nunc loco ti valorcm nfTumtum 

 Cor.(|) — \'' — ifln.CP, ac pro prinio f-iaorc Iiabcbimu- u — u''' 

 — 2 ■/ — I fln. <p. Ucindc vero pro (juolibct fa(florc rcli- 

 quoruin fiet 



u — 2 cof. co -f- iT" ' zzr 2 (cof. (|) — cof. oj) , 



quamobrcm fi ioco oj fucccfbuc valorcs dcbitos fcribamus , 



forma 



