,«0 DE RESOLV TIO N E 



<]no f.K^o erit 



ita vt fit 



zcoCCiaccoCB-h-adcoCiB-^-D^-^-bd co{.D-{-hc) 

 -2fin.C(rt(: fin.B + ^rf fi i.(B-+ D }-i-hd fu.D) 

 — 2(«^fin.B+«^Iin.(B+D +^y/fiii.D/i-;;^_g-| 



Hinc fict 



1) 



X)' 



eezz 



fli/in.B* _i d*/M. D' 



"/'"• ^' ^- ^y'"- ''-' + 2 ( ^ t- fi n. B H- ^ ^ fi n. (B -f-i5) 



iam obreriictnr cfTe 



flffin.B+arffin.^B+D^+^^r/fin.D-flfin.BV+i/cofB) 



+^fin.D(^+flCol.B) 

 — a^fin.B.fin.Df^J^-^"i^ + *-^-^'!>-^)-«^fin.B.fin.D 



(cot. 1 + CUt. L) 

 quocirca bnnc adipifccmur acquationcm : 



ex qua quoniodo dcterminari dtteat angulus C; iara 



fpontc li ]uct. 



3r. Pro acqontione fccunda obfcrucmus , cam 



fcqucnf.hns cx;',riiiii p 'flc iViOJJb : 

 I. (e+dd+icdci:\.'^. — [l+a<io\.Y.+cco\ C)'+(^/fiii.B— f fin.C)' 

 a. ee-\ dd+ze dco\. 1- — ((-+/' (.()l.L+fcoi.(B4-C)/+>fin.B+f'in.,B vC))\, 



Ex harum piiori iac lc dctermiiatur latus b, quum 

 fit 

 (Z;4-flcoI.E+f.cur.Cy~(f +«')'- (ufiii.B-ffu\C/-4f^fin-^^-'» 



