liberi poteft. Denic 

 reflionem : 



£one algebraka exhiberi poteft. Denique pro tenfione fiU 

 iftam iiabemus expreflionem : 



ex 



qua ^ per folam variabilem v exprefllone algebraica 

 exhibere licebit. Nam ponamus d i" — Y d v% exiflente 

 V fundione ex fola variabili v et conftantibus compofitaj 

 colligitux inde 



licque erit 



«^ cof. (0 - (|)) =: Pl/^ H- ^ 

 "" = iwi+T^Fp\L4'^^cor,(0-CP)H-^,cot.(^-4)r), 



d^.-;^. (C C. V" COt. (0 - Cl^) -f- L ^0.> 



Nuac ii in i^a. aequntione pro V eius valor 



•0- ( 4.0» t£^ -Kj^ — fa* -+ - 0' — f^)-)__ 

 (-f^ (^.- _^ cJ) — L") (*a= 6- — (0= -+- 6* — v-f) 



fubftituahir, obtinebimus exprcflionem algebraicam pro tcn^ 

 fione fili T ex fola varinbili v et conftantibiis compoll- 

 tam, vcrum ob teTminos vaide complicatos, non ell vt 

 huic formulae vlterius euoluendae immoremur. 



§. II. Quia efi: 



x — a cof.Cp ■+- b cof, vp et j — a fin.(|) -}- b Cm. ^r 



habemus 



ddxzL-add<^Cm.'^- adi^^^coC.^^-bdd^Cin.^- bd^^^coC.^; 



ddy—add<^co{.(^-Gd(^'im.(b-\:bdd^QoC.^\f-bd\yCxx\.^\f. 



Multiplicetur ddy per flcof.Cp et ddx per flfin.Cp, et 



pro- 



