DE TRIGONOMETRIE SPHEROIDIQUE. O27 



> = 68^7481 ",87; (>'=42S665o",37; <7"=43%4526",i2; 

 et la formule (A') du § II donnera , à cause de n — «r =7875",75, 



log. ((t"— <j') = 3 . 8962926 



log. i e = y . 2 1 1 6290 



1. sin ." X =: 9 . 8908462 



0.9987678 

 1' terme ^+ Q",gyi6 



3.89629- 



1.^ = 8.67095 



log. $'=5.62738 



1. sin.'*X:=9.78i69 



log.sin.2cr"=9.9907468= + o,9789i9 

 log.sin. 2(i' = 9. 9881730= — o,973i35 



1. (sin. 



sin. 2 cr" — sin.2(i'= 0,005784 



î" — sin. 2 0') = 7. 76223 



l.|e" = 4 



l-i=9 

 1. sin. "7^=19 



c. log. sin. i" = 5 



7.97631 — 

 3° ternie = — o",oo946 



log.|e=6. 91060 

 1. sin. °>. = 9. 89085 



dont le log. ;=:7.76223+ 



0.36756+ 

 4' terme =+ 2", 33 11 



72429 



39794 



78169 1. sin"* «"=9. 9621634=-!- 0,91 6565 



8o388 l.sin.4<''=9.95i3289= — 0,893982 



47003 — sin.4ï" — sin. 4<î'= 0,022083 



5° terme = — o",oo295 



log- ^ = 7-39176 — 



• log. £^ = 5.62738 



1. sin. ''>.= 9. 7816g 



1. (sin. 4,7"— sin. 4,7') = 8. 35378 



c. log.sin. i"=5.8o388 



7.X5849 — 

 6' terme = — o",ooi44 



