) 383 ( 1??-- 



originem repetere fit exiftimandus , merito quaeritur cur 



in valore ipfius Cp' pro angulo p— i8o°, bina ifta in- 



tegralia: 



^i^m.tfdt (f V cof./ 4- Ufin./} + 2Cof. tfdt (aV fin. /- U cof. ;), 



quae pro ifto cafu 



= — 3^ 0908 — ^, 5298 =— 9» <J20(?, 



concurrere debeant ad terminum iftum -f- 10, i025 fin. t 

 producendum? Ratio vero in eo latet, quod fi haec in- 

 tegralia feorfim fumantur, ex vnoquoque prodeant termini 

 per fin. 2 t multiplicati, qui autem deftruuntur, dum v- 

 trumque integrale fimul fumitur. 



§. 21. Quemadmodum exprefilo pro (^' ex nu- 

 meris noftris inuenta, huiusmodi termino 



4- 40, 3623 /^ - 10, I025 fin. ;, 



corrigi debeat, ita quoqiie fimul liquet expreffionem pro 

 u' inuentam, corrigi debere per terminum L-f-Mcoff, 

 vbi quidem ftatim perfpicuum eft, valorem coefRcientis 

 M efle' — •+• 5,0513. Quum fcilicet fit artic. 8: 



atque in d (^' contineatur terminus -}- 10, i025 ^/ cof ?, 

 patet hicc in u' prodire terminum — 5, 0513. cof /. Nam 

 tx fV d t integrabili, et terminos inuoluentes folo angulo 

 p affetftos, terminus per cof / multiplicatns oriri nequit. 

 Supponamus effe pzz2io°, hinc igitur fiet 



cof. tf?. l.dt.-—j, 6248 i fin./P. 11. dt, z: + 4, 4897, 



difTcrentia eft + 2, 8<?49, atqui terminus -}- 5, 0513, cof ^ 

 praebet -{-4,6049, igitur terminus totalis pro u' reful- 

 tans erit —-1-7,4698. At pro p — 150 confecuti fumus 



B b b 3 con 



