AKCVVM CVRVARVM IRRECTIFICJEIL. 8i 



.differentia in coroll. 4 exhibita f ^T7jHs = tang. Cot — p). 

 Similique modo fi ponatur RSmtang. y et ri := tang. £ 



. RS — rs , V \ RS + rs / , *-\ 



ent r+w5i= : ttng.(-y'--5) et 7zr rsRS = tang.(Y + *). 

 Commodius autem ifta compofitionis ratio repraefenta- 

 bitur , fi ponatur 



Corda arcus m cupli r = Mfin]jL, corda complementi 

 R = Mcof jjl 



Corda arcus n cupli j-Nfiny; corda compl S~Ncof.y 

 tum enim erit 



Corda arcus (» + ») cupli * ^J^£^$qa 

 Corda eius complementi z= "^f^-tJi— 



•r i-4-M-N 2 /zfiju. mvco/.|xco| ( v 



Corda arcus (»-.*) cupli ~ «.Ji^- *) 

 Corda ,eius complementi — - Jn co '-(m— ^) 



* 1 — M 2 N 2 jiiu,aj2ttvco/,(xco/.v 



Cum autem fit 1 — rr-KR~rrRK, erit 1 — MMrM 4 

 fin [x 8 cof y. 2 , ideoque M 2 fin jul cof jul — V ( 1 — M M ) 

 et N 2 fin>/cof y=: V(i-NN), vnde iftarum formula- 

 rum denominatores abibunt in 



i-V(i-MM)(i-NN) et i+V(i-M f )(i-NN) 

 Praeterea vero ex illa aequatione 1 — MMrM^ilnjUL^cof. 



F s fit mV =: 3 -4- \ V(i H-fin2 juL.fina p.) ob fin2jji 

 — 2 fin fx cof. jjl. Verum hinc ilJae fbrmulae non concin- 

 niores euadunt. 



Scholion 2. 



48. Ex his obferuationibus calculus integralis non 



contemnenda augmenta confequitur , fiquidem hinc plu- 



Tom.VI.Nou.Com. L rima- 



\. 



