ACTJNG. TAM NATFR. QVAM ARTIFICIAL to^ 



fm.A.s:=zs- - — -+- — — - 7:7^^7 -+- etc. 



' r A s^ , s* s* , 



cof A . i = I - — + rriTTr:- ,77777^ -f- etc. 



pofito finii toto zr i . Qiiodfi ergo ponatur q pro aroi 

 po, graduiim , fiimaturque arcus propofitus szz^^q^ fiet 



r A W 771* fl* , 771* 9* 



cof. A . -^ ^ zz: I - ^.- . ,-^-, ^- ^,- . 7:17777 - etc, 



Cum igitur (k qzz.Z erit 

 ^1=: I, 5^7079(532679489^551923131321(^915 

 Hoc vero valore loco poteftatum ipfius ^ computato ac 

 iiibftituto , obtinebuntur fbrmulae numericae , quibus tam 

 fiuus quiim cofinus arcus ^q exprimentur. Qiioniam vera 

 tantum pro arcubus 45° minoribus finus et coiinus defi^ 

 derantur erit ^ << | , et lianc ob rem feries- datae maxime" 

 conuergent. Supputaui ego autem fingulos harum ferie- 

 mm terminos a folo q pendentes in fradionibus decimaJi^ 

 bus ad 28. figuras, quas ^ Yt alios calculo tam taediold* 

 liberem, hic appono. 



Erit igitur flnus arcus -90 graduum — 



^- . 1,570796325794.8955192313215915^ 



— ik ' 0,54.59640975052452536557565535 



-^-ns- • 0,^0795926252451570451205055487 



— ^ . O,oo458i754i355i8588ioo5854<^33 



H-n* •• o>oooi<^044,ii8478735982i87255o^ 



— ^. o,, 0000035988432352120853404-5 80' 

 -^;^ . o, 0000000559217292196792681 170» 



— i»s». O3., 0000000006688035 1098X1457225; 



Gg 3 . ^ 



