4.»+ M MOTT nOBORm IFNAE 



bus duae tantum vt iam notauimus , in tabulis aftrono- 

 micis recentiiTimis reperiuntur infertae , hincque ex hoc 

 capite tabulae aftronomicae non mediocri emendatione in- 

 di^ent. 



§.32. Determinato loco nodi fupereft , yt varia- 

 tionem inclinationis orbitae Junae ad eclipticam , quam 

 vocauimus :zz , inueftigemus. Ad hoc in fubfidium vo- 

 canda eft pofterior aequatio , quae f, 18 crat inuenta i 



, j tang.p.Jm^P Fgg dT»/;n,<7.fm ,(r-^) , _j_ ^. 



feu cum proxime fit jj- pzz: — /r^-- , ent 



j . fong, p ,Jin,(P — ^VggdT^Jin. qcoJ. ^fJn.ir — (P) 



**' * jin,{q~ip) -^ sGy»dg/m, $ 



At ante oftendimus efle jy^^^:^, mtang , ynde fiet 



rf./tang. 9.fin,cp_^, /tang, f-f -^^ ^__ —cp^jxn,<s;> — 



Quod fi autem ponamus folem fecundum motum medium 

 circa terram in diftantia :;ii a , tempore d T angulum d » 

 abfoluere, fiet dl*^--^^—^ ideoque 



7 1^ A ■ — d<$co/,,(J) ja'dcj*/'/rr.'Jco/.s/m,fr.^i$) 



d. l tang. P __ — 7i„.cp :=: ;p'rf <2/w,$ • 



At in §.20 erat ; 



^Cp-^^^-i^^^^-:*^":^ hincque obtinebitur 



k/tang. zz ^ftS^^ (coC fm. {q^<^) - fm. ^) 

 at eft fin, q =1 fm, ( ^ -Cp ) cof ^Cf) -^ cof ( ^ - Cp fm. (|) , 

 quo fubftituto fit 



J r^ b. — 5 0^du)»<:o/.!/7n.(r— 4))m/,(^^^--^ 



<f, /tang. ^ zz — /Td-g 



Quia vero eft f.n. A coC B — i fm. ( A ^ B)-ifm. (B-A) 

 erit fn, (r - Cp) cof. (^- Cp) — | fm. (^ -h r-2(j)) - i 

 fm. (^ - r ) quod per cof j- :z: cof. ( ^ — r) multiplicatum 



dac 



