•4»! ) loi ( ^??- 



Ex clcmentis autem conftat cffe 



A t'ing. i' ~ V ~ \ v" -^- i v' - 'j v^ ■■{- l V* — etc. 



log. ( I -\- z z) — z' - \z' -{- [z' - ', z' -\- ', z' - etc. 

 vnde ft<^tim manifefliim ert fore 



P — p A t^ng. ap -\- q ^ tan?. a q 



Q=lpl(i-\-aapp)-\qI(ii^actqq) 

 Ct nunc demonlUandum crt quod fit 



2(^cof.(p-tA tang. a p -\- ^^ i(i^oLcipp) 

 -i-?Atang ct q - -^^J (i -\- cc cx. q q). 



Hunc in fincm confideremus primo valorem P, 

 ct cum polucrimus 



p— cof (p-i- V- I fin. 



9 n: cof. '.p - y - I fin. (p, 

 his valoribus in cocfficieniibus tantum fuffe(flis prodibit: 



P — cof. C^ (-\ tang. a /) -h A tang. a q) 

 -\- Cm. (p V — I (A tang. ap - A tang. a q.). 

 Efl vero 



A tang. ap -\- A tang. a q -j= A tang. -5i^-2l- 



A tan£^. a /) - A tang. aq — A tang. -^1?-=-^^, 

 quac exprcfliones ob 



p -\- q z=L2 cof Cp et /) — ^ ~ 2 y — I fiu. Cp 

 in Iias contrahuntur : 



A tang. ap _f- A tang. a ^ = A tang. ;4^-^ 



A tang. a p - A tang. a q - A tang. ^'- ^ ^ - ' 



N 3 it« 



