IN FLANVM EXPLICARE LICET. 19 



ap QuoJfi iam hi valores in prioribus mem- 



bris , quae differcntialc d t u ab eo pendtntia , d ^ 



d^ et d fSt inuoluunt , lubftituantur , adipilcemur fc- 

 jquentcs aequationes : 



/ COC U - X fl n. W = dJjol^fvuM^Ji-^^ _ d(lm.^. /fn.# 

 u co d w 



' d co U u 



«col.w-»' fin.(oz-lM!L?-d^«. 



-Hic imprimis notari nierctur ex his formulis in- 

 \cntis ahcr.im variabilem j- prorfus exceffifle, ita vt 

 iam qnnntitates /, X , w, p. , n^v per vnicam varia- 

 bilcm t dctcrmincntur , alteramque s prorlus non 

 innoluant , dum contra iplac qnantitates T et U 

 ambas variabiks / ct i inipliciint. 



30. Nunc pro fiinclionibus / et X definicndis 

 has duas inuenimus aequationes : 

 /fin. w + X coC ca — fin. <^ fi n. 

 /cof u - X fin. a — d,jjm_^/z..a) 



U ui 



llinc prior in fm, w-i- poHerior in -cof oj dnt: 

 /- fm. ^. fm. e. fin. u + cof w . loi-^il^ 



at I. cor. w - II. fin. co dat. 



X=: fin. ^. fm. 0. cof. u - fm. u^LU:'"-^--!!!^ 



Simili modo reliquac literac reperientur, vt fequitur 

 m z= cof ^. fm. 0. fin. u + cof. w. 4i£°/L|M 

 p. - cof ^. fin. 0. cof 0) - fin. w. '^ ^^^/-^y^"-'» 

 « rrcof e fin.u + ^^^'-^ 

 l* 31 cof e. cofM--^"-":'^-"/--». 



(t w 



C 2 Eii 



