A S T R O N M I C A. aas 



Rigide haec computata sunt. Angulus auxilia^ 

 ris/>juxtaformulam cos/>=:iiVest <5o°i7'3'' 50 

 quae e tabula Swindeniana prodit 60° i Y$",<, 

 Quodsi nautarum more et hic valor adhibetur, et 

 ubique partes secundi negliguntur , rursus institu- 

 to calculo , distantia vera reperietur 65°5o'i"5<5. 



Formula 5. 



Sin 1 (J) =: V/ cos I Cj+/+^) . cos § (s+l—d) . N 



Sin 1 5 = 1/ cos § (tf+A+0) . cos 1 ((t+a— 0) 

 : O+l+^) • cos I O+l—^ >N = 1. sin * 1 (p 



(o-+a) . 

 |(o-+A+4)) 

 |(<r+A— Cp) 



^ • • • . 

 o • • • 



37°i5'i9",89 



3 5 33 37 ,98 

 72°i5'i2",87 



1 4141 ,91 



32°55' i",58 

 65 50 3 5I6 



1. sin §0 



1. cos . . 

 1. cos , . 



I. sini^ 



> 995^40428 

 9,7820214 



■ 9»4704<593 

 9^9998100 



9^4702793 

 9>735i39<S 



Formula 6. 

 sinv § = susinv (ct+a) — (susinv (j+/) — sinv d) , N 

 (7+A . . 71" 7'i5",87 



susinv . 

 . sinv 



DifFerentia 

 1. differ. 

 LN 



i.n 



j+/ . • 70 2520 ,05 . 



d . , , 66 9 a6 ,87 . 



J^ = 0,732940 

 (ff+A) = I,. -^23569 



. = 0,590629 . . 5 = 65°5o'4",8 



i»335o85 



O' 59 ^775 



0,7393" 

 9,868827 



9,996241 



9,865068 



Cu- 



