— 619 — 

 essendo, come si é detto, a = 1 ; e perciò 



log sen o = 9,5998756 ; log cos a = 9,9625532 



log sen n = 9,9933515(— ) ; log cos II = 9,2396702 



log 211 — log 2 -f- log sen II -+- log cos II = 9,5340517(— ) 

 loge = 8,2245616; loge 2 = 2.8,2245616 = 6,4491232 ; e 2 = 0,00028127 

 1 — e 2 = 0,99971873; log(l — e 2 ) = 9,9998778, log(l — e 2 ) 2 " = |. 9,9998778 

 log(l — e 2 f — - • 19,9996334 = 9,9998167 . 



Determiniamo i valori di A, B, C, D, F. 



3 



Per A = (1 — e 2 ) 2 cos 2 II sen 2 » — e 2 coso 



3 

 2\^" 



log(l — e 2 ) 2 = 9,9998167 



log cos 2 II = 8,4793404 



log sen 2 » = 9,1997512 



log(l — e 2 f cos 2 n sen 2 o = 7,6789083 



d = (1 — e 2 )2cos 2 Il sen 2 » = 0,004774284 



log e 2 = 6,4491232 

 log cos c? = 9,9625532 

 log e 2 cos» = 6,4116764 

 e 2 cos © = 0,000258034 

 d = 0,004774284 



A = d — e 2 cosa = (1 — e 2 ) 2 cos 2 II sen 2 » — e 2 cos» = 0,004516250. 



Per C = (1 — e 2 ) 2 sen 2 II sen 2 » e poscia per (A — Cf ; B 2 



log(l — e 2 ) 2 = 9,9998167 ; 

 log sen 2 n = 9,9867030 ; 

 log sen 2 » = 9,1997512 ; 



log {A — C) = 9,1733063(— ) ; 



log(l — e 2 ) 2 sen 2 Il cos 2 » = 9,1862709 



C= 0,153557460 

 A = 0,004774284 

 A — C= — 0,14904121 

 log(^ — C) 2 = 8,3466126 



B = — (1 — e 2 ) 2 sen 2 » sen 2p 



log(l — e 2 ) 2 = 9,9998167 

 log sen 2 » = 9,1997552 

 log sen 211 = 9,5340517(— ) 

 log£ = 8,7336196(-H) 

 log B 2 = 7,4672392 



(A — Cf = 0,02221328 

 B 2 = 0,00293251 

 (A — Cf + fi 2 = 0,02514579 = N 

 log N= 8,4004653 

 compi, log N = 1,5995347 . 



