8o Scienze 



donde 



log.cota = IO, 80978134 — o, 30102999, 



log.cota = IO, 00875135 , 



dunque 



a = 44% 25' 



Supponendo ancora 



R = 4L 

 si ha 



3-Ht^(8.i6-4- i) 3 -t-|/'i29 

 ° 2^/^15 1/60 



( 2, 11958971 ) _ 



log. l/'i29 = ^^ -^ ^^ = I, 05529485 , 



1/^129 = 11, 358 , 



( I, 778l5l25 ) 00 re 



log. 1/60 = L_!_^ -' = o, 88907562 



3 H- i/"i29 == 14» 358. 

 log. tang.a = io -j- log. (3 -M/" 129) — log. i/'Go 

 = IO 4- Zo-. ( 14, 358 ) — o, 88907562 

 = IO H- I, 1570989 — o, 88907562 

 = IO, 26801828 , 



