CALCOLO NELL ELLISSOIDE DI BESSEL 115 



2B' = 75° 51'7",5074982 



log sin2B' = 9,9866230.408—10 log cos2B' = 9,3881473.984—10 



log sin4B' = 9,6758004—10 log cos4B' = 0,9447352,, — 10 



log sin6B' = 9,86802 tt —1 log cos6B' = 9,82922 M —10 



log sin8B' = 9,922 n —10 log cos8B' = 9,741—10 



7. Le differenze tra le latitudini con altre forinole. — Si possono applicare le 

 forinole che danno le differenze B — (3, p — B', B — B' mediante gli sviluppi in serie. 

 Si ha 



(B— p) in sec =[2,5382285,193] sin2B— [9,4610019— 10J sin4B+ 

 +[6,50871— 10]sin6B— [3,608— IO] sin8B+... 

 =S35",3924425— 0",1337060— 0",000243+0",0000003 

 =335",2584945, 



(B-p)in sec.=[2,5382285.193] sin2p+[9,4610019— 10] sin4p+ 

 +[6,50871—10] sin6p+[3,608— 10] sin8p-K.. 

 =335",1233657+0",1353694— 0",0002402— 0",0000003 

 =335",2584946. 



(P— B')i n se c.=[2 ; 5382285,193] sin2p— [9,4610019— 10J sin4£+ 

 +[6,50871—10] sin63— [3,608— 10] sin8{4+... 

 =335",1233657-0".1353694-0",0002402+0",0000003 

 =334",9877564, 



(P-B')in sec .=[2,5382285.193] sin2B'+[9,4610019— 10] sin4B'+ 

 +[6,50871 — 10] sin6B'+ [3,608— 10] sin8B'+... 

 =334",8509690— 0",1370258— 0",0002381+0",0000003 

 =334",9877564, 



(B— B') in sec .=[2,8392572.977] sin2B— [0,0630595] sin4B— 



+[7,41180—10] sin6B— [4,812— 10] sin8B+... 

 =670",7830049— 0",5348211— 0",0019383+0",0000053 

 =670",2462508, 



(B— B') in ^.=[2,8392572.977] sin2B'+[0,0630595] sin4B'+ 



+[7,41180—10] sin6B'+[4,812-10] sin8B'+... 

 = G69",7000611+0",5481001— 0". 0019047-0" ,0000054 

 = 670",2462511. 



