== (89) 



▼nam rummnm collccli dahnnt vcros ct complcto»! valorcs 

 qii:vcrnariim noflranim qiiantitatum r, j, x er j. Sicnuc pro- 

 bleiiia nortnim, in latifrn o lcnui acccptnm, remper pcr formu- 

 las finitas cx arrplitudinc rcfolncinr, ira vt aliac qnantiia- 

 tes tranfccndcnrc> non ocicurrant, practcr tinantitatcin cxponcu- 

 dalcm t'^ ct finus cofinusque angnlorum. 



§. 24. Qno formulas pro coordinatis .v ct y inucntas 

 ad naiorcm vnitbniiitatcm pcrducamus, cx anguiis y — oj 

 ~^~ (1 it ^> '«P littcra.Ti 0) cximamus, et loco a cof. 00 ct a fin. u 

 rcllituamus litteras ^ ct >ij hocque modo obtincbimus 



«(a it ii.Jtll.Ut-t-1 



y - , . .^.^„.,^., r^^[^^fin.(v-^(>,-^- 1 )q>)-(v,-^i ) cof.Cy-. (>,-h i ) (p)] 



,...-:r;n..-^./ ^^^i^^^"-^v^^-^o^)-^^-^>^^-v>^c^o0)]» 



\bi duo rantum adluic occurrunt diucrfi anguli y -+-(■>! _|_ i ) (|) 

 et y -t- (>i — J)4-^ ^"'^^ diuerfitas tolli poteft pcr illas com- 

 binationes : 



i") j' cof. Cj) -1- .V fin. Cj) = 



.;..^^,n..-^./ ^^[<^'"-Cy^^^)-C>l^Ocof.(y-^>10)] 



_^±^^ .^n< fin.(y-^ >1 Ct>) -Ct-x ) cof.(y-^>, :P)]. 

 a*) ^y.fin. — x cof. — 



'.....-^;.,-...-../ ^"[<<^Q<'(y-^^^)-K^-^0fi"-(y-^'i4^)] 



....-:i.-^., ^^^[<^Q^'(y-^^^)-^(>l--Ofin.(y^>,C?^)J. 



§. 35. His igitur pofircmis formulis , vtpofc maximc 



concinnis, in applica'ionc ad cafus fpcciales vti coiu:ci.icr, quan- 



do<]uidcm pro onunbus valoribus anguli w an.plitudo CP ea- 



Koua AUa Aiad. Itnp. Sf. 7". /. M dcm 



