Corollarium i. 



§. 44. Eiiolnamus CAfum quo «—0, ideoqiie ct- 

 iacn y — o et ^zro, et qnia hoc cafu formula integralis 



euadet 2/ -r — rr, pro ea ftatnasiius x^ — z^ 



atque ob x^-'=:^-p, habebitur -|-/-^^|_~, cuius inte- 



grale erit: 



— j-j^ A tang-o -^Mii^f- =: -i— A tan?, -^-'^'"•f^, 



irnde cum in ferie inuenta omnes coefficientss arcuum fi- 

 ant in^jjj per h"f3c coefiicieutem diuideado habebimus 

 fequentem aequationem : 



A tang. V — — = A tang -^ 4- A tr. ^-^ — r 



a-f.n.(.a:-f p) , ^^ .vfin.r(^-i)a>+p) 

 ^' i-A'cof(2^. + (3) ' ^' i-.vcof.((/(:-ija-tl3)' 

 tbi recordandum eft efle a — '-^ , p — 1. 



Corollarium 2. 



§. 45;. Ponamus effe ^ = 90°:!^, et aequatlo mo- 

 do inuenta hanc induet formam : 



Atnng..vz:Atg._-_^:^4-Atg._^-jL4-Ats._^iL 

 i-.vcoi.^^ i-.vcof.if i-'^^of ^ 



+ Atg — ^-+ - - - 4-Atg ^—u-r' 



i-xcoV^ i'Xcoi}^^ 



ik sfe 



Slk ^ z= I , eritque A tang. x — A tang. .v. 



Sit k~2y eritque A tang. xx^A tang. :^-+ A tag. ~J- 



= Atang.^-^^-Ataug.;^^, 

 i^<??a ^f^c?. hnp, Sc. Tom, V, P. /. F §it 



