5i6 I N V E S T I G AT I O 



567*3 hexap: AD~ 57291.23 hexap: KG, fiue* 

 5^753 :59- J 79 35 1— 57 2 9 r - 2 3 ; KG, adeoque 

 KGrz 59.740589 

 additur GZ^zQ.zs+iiy yt 



prodeat K Z ~ 60.01 4705.. 

 Duis nunc in triangulo reclangulo ZWC hypo~ 

 thenufa ZWro. 7331092 et angulo 2WC- 59 . 5 6§ K 

 argumentari licet 



1 : Z W~fin.Z WC : ZC, hinc 

 /ZW-'9- 8651686" 

 /fih. Z W Crr 9 9372872 



iZCzz. 9. 8024558, velZC-o 634535$ 

 In triangnlo denique K ZC daturKZz: 60.024706, ZC 

 -0.6345353, etangul. KZC~ 30°.3|, exquibusdeducitur 



tangens ZKCrrZCfin.KZC, adeoque 



KZ-ZC.cofKZC 



/cof KZC=Z9:- 937 *S7* 

 /ZC=9. 8024558 



/ZC.cof KZCz=9- 7397430 

 ZC.cofKZC^zo. 549216 

 KZ~ 60. 024706 



KZ-ZCcofKZC— 59- 475490 



/KZ-ZC.cof KZC=zi 774338i 



/lin KZC— 9- 6996986 



7. 925,360^ 

 /ZC— 9. 80245^8 



/tang ZKC — 7. 7278103 



Angi^ 



