82 



lij. Talli^vist. 



i\mi 



(167) 



(lasi 



(ir,9) 



(170) 



'171) 



(172) 



(173) 



sin i/i 



W, + W, 



cos ip = 





\/LC\'b-a\ 



"' + ^'..XCc. 





ir(w^i+ Wt)VLC 



7: v' "'. + iy^ irey • 



W(Wi+ \r,)\/' LC 



\/h - a« . 



sin T = — 



Li/W. + W, 



^- [/h - a' , 



COSr = 





1/^P^<^l/ö"^^ 



cos m 



sin i> : 





'^««••> = ïïTTnfTTni/''-«^('^'^-60' 



sin p = 



1/£C 



]/ir,(Tr, + W) l^-TT-w;) 



l/ft-a'^^ir.TTVHj). 



cos p ■- 



sin ï = 



!,''XC 



■|/ir,(ir, + TF)(^-irTi;j 





cos X = ' 



2a l/fc-g' 

 6 -2a« 



sin (n - 2oi) , 



= cos(.T — 2«) . 



T. XXVIII. 



