3; 



3; 



^; 



«; 



i; 



I. 



s , 



10. 



23. 



148. 



Of 



u 



3^ 



1 y 



45 i 





2. 



7. 



13. 



85. 





I> 



2y 



4^ 



38 > 





4. 



13. 



4> 



33. 

 10 ^ 



171 



52- 



17 



Hic igitur occurmnt numeratores pares 2 et 4, vnde fit vel 

 ^ z= I, vel X — 2; priore cafu eft 3^ = ( i )^ -j- 2 ( i f', al- 

 tero vero 3^ = ( i j^ -|- 2 ( 2 )2, ficque vtroque- cafu A =z i , 

 c[uod quidem tantum euenit in fradionibus initialibus. 



J. 23. Simili modo pro altero cafu, quo erat N=z2- 

 71 = 7; a = |et6 = |, prodiit angulus Cp =: 69°, lY, 42''^, 6*7, 

 et fraSio -J- dederat quotos 2, i, i, 2, 16, 6, i , vnde 



fequentes formantur fradiones tam principales, quam minus 

 principales : 



I. 



2 . 



3. 



5. 



13. 



OJ 



1> 

 I. 

 If 



I^ 



2* 

 8. 

 3> 



5> 





3. 



S. 



8. 



18. 





I^ 



2J 



3> 



7 y 



vnde numeratores pares praebent vel X izr i, vel X == 4^ vel 

 Xizp. Ex primo valore X = I fit i^-i^f-h^i^f, fiue 2^=(i)2 

 -+-7 (i)^. Ex fecundo valore fit 2^ = (|)2 -4- 7 (|)2, fiue 2^ =-( i )2 

 -•-7(3)^. Tertip habemus X = 9 , pro quo cafu calculum 

 noftrum inftituamus , et ob X Cf) =: 623°, 39^, 2^^^, 03 = 3 tt 

 -i- 83"^ 39'', 24^', 03, erit 



l cof X Cp =z 9, 0433074 

 9 



ZN2i=: 1,3545350 



Summa =: i, 3519679 



Z]/7 = o, ^22S^90 



ZA = o, 3979424 

 ideoque A = 2, 5 



Z B = 0,9294189 

 ideoque B = 85 5. 

 Noua AUa Acad. Imp. Scient. Tom. IX. C 



/lin. X(I) = 9, 9973329 

 9 

 ZN2 = I, 354<^35o 



iic- 



