6^ MEniODFS COMPFTANDI 



ang.SPT.a^^/tang.ZE tangOEN 

 Pig«« .. aequatio mendiei Ts— "(^(ii^PT-^TSPT; 



min. tert. temporis. Nimc pro formula eft 2 E rr 5 2% 

 27' et OE — 1(5°, 49' j atque cum interuallum duarum 

 obferuationum fit 7 hor. 28' erit angulus SPTzrii2°^ 

 ct iSPT— 55°. His praeparatis inftituatur operatio 

 vt fequitur: 



1. ang. SPT— /112 := 2,0492180 

 \. dt ~ - ' - := 2,9910597 



5, 0402877 

 1. 180 ----- 2,2552725 



j^ang.SPlVdt ^ 2^850 



leo "^ 



Alterum membrum hoc modo inuenietur: 



1. tang. 2E:=l.tang. 52°, 27' — 10, 1142350 

 l.fiSPT = 1. f. 56° r= 9,9185742 



. tang.ZE 



f. i S P T^ — 0,1955508 



Erit ergo 



tang. 2E 



fin. iSPT — ^ ' ^^^- 



Porro eft 



1. tang. OErrl. 1. 15°,49'— 9,4803451 



l.tang.iSPTr=l.t.55» =10,1210125 



1 tang. OE 



tang.iSPT 



— - I535P3325 



vbi 



