Mît. l'î. s. NAKAT.AWA : MlSnRLLEX AT^S DEM 



niul fololicli 



tg {'J «') = 



tt; (f/ (i). tii; (7 f'') = 



th PO 



1 

 eh rOrU III' 



C-^), 



Also 



l 



[(1) § 2]. 



eh OIL tg (f/ (f) = cot (f/ (/j 

 oh OH. to; (7 />) = cot {if h') 

 ch 0//. tg ((/ c) =- cot ((/ v') 

 oil OZf. tg {g iJ) = cnt (f/ d!) 



und nus (0) und (o) folgt 



ch 0//[tg {<j c)- tg {(J «)] == cot {g t')-cot ((/ a') 



ch OK g'" (^^) = (-)sia(aV) ^ 



cos (9^ a) CCS ((/ c) sin ()7 «') siti (f7 c') 



îihnliclier Weise 



(,1, ^^j^ S'il C^^c) ^ r-)sin(6V) 



(C), 



cos ((//>) COS ({/cj sill ((/6') sill (f/c') 



1 D77 sin (af/) _ f— )sin(aVi') 



cos (f/a) COS (r/(/) sin (j/«') sin {gd'^ 



ch 0//. 



cos ((/6) COS ((/of) sin (7//) sin (j/c^') 



(/.ri) 



niid fol 2:1 ici 



,'ji 



d. b. 



sin (r/c) , sin (rtc?) _ sin (a'c') _ sin(«'(i') 

 sin [l)v) ' sin (60?) sin ((^V)" ' sîîTîTTrZO 



(a/>c(/) = (aV/r'r/'j. 



