iP4 DEMONSTRATIO 



XXXV. 



Pofito iam «y r:: o , in nihilum abeiint valores 



~> ai^ j dl> ^fC' "V^i oportet. Tiim vero obtinebitur : 



g =:Aa -l-Bp -t-Cy H-D'?" -i-Ee -+- etc. 



^' rrAa^ + Bp^-f-Cy^-l-Dr^-Ee' H-etc. 



g'^ =Aa'H-B(3'-f-Cv'-|-D^'-hEe'-f-etc. 



etc. 



Talores autem infinitefimos oportct fieri finitos ; feii 

 necefTe eft, fit : 



Aa^ -t-Bp^-i-CY^-i-Da^^-f- E£^+etc.=r quant. 



finitae. 



XXXVI. 



Cum autem , pofito 'yzrC}), valores f| , ji^ ,- 

 2^ , etc. euanefcerc debeant , ifti cofinus cuanefcant ne- 

 cefle eft : 



co(.a($)rr:o, cof,(34)=o, coC.y^zzio, cof.yCl)— o etc 



alii autem non dantur anguli , quorum cofinus eua- 

 nefcant , praeter ^, 3f, 5f, 7^, 9^ etc. vnde capi 

 oportet 



a_^; (3r=-^- v = ^; ^ — ^; £=$- etc. 

 tum vero eorundem angulorum finus erunt 

 iin.a(])=:+i • fiQ.f3$>z=-ii fin.yCp^+i; fin.^Cpzr^xj 



fin.e$)zi:-|-i etc. 



:i}U.viL 



