160 ANALES DE I.A SOCIEDAD CIENTÍFICA ARGENTINA 



c=114°42'46" 



í,» = llS°47'07 



c — y = — 4°05'21" 



log cotg 128°12'01" = 9,89593 (w) 

 log seu {c — y) = 4°05'21" = 8,85314 (m) 

 colpg- sen í/ = 118°47'07" = (n05729 



log cotg A = 8,80636 

 041 



05 



A = 86°20'12". 



Cálculo del lado h. — Tomando logaritmos en {e) y (/) sale : 



log tg z = log tg a + log eos B (e'j 



log eos h = log eos a + log eos {c — z) -^ colog eos c (/') 



log tg71°13'55 = 0,46880 

 log eos 1 28°12'01" = 9^79128 (w) 



log tg 5 = 0,26008 



sarctab.= 61°12'53" 

 180° 



;2 = 118°47'10" 



log eos 71°13'55" = 9,50749 

 log eos 4°04'24" = 9,99890 

 eolog eos 118°47'10" = 0,31737 («) 

 log eos & = 9,82376 



• 



&aretab.= 48°12'25" 

 180° 



h = 131°47'35" 



c = 114°42'46"- 

 ^ = 118°47a0^^ 



,c — z = — 4°04'24" 



eos {c — z) = eos {z — c) 



s — c = 4°04'24". 



El cálculo se lia hecho con. las tablas de Oallet, limitando la man- 

 tisa a cinco decimales. 



