PAR M. PLANA. 



i4i 



j icos7'-t-^cos(7'— 2^)— ^cos(3<7'-+-2^) — |cos(37'— 2^) j 

 ^ cos<5r -f- ^cos(2<7'— 7) — ^cos ( 29'-+- Zq) — ^ cos (2r/'-37) j ; 

 ^6 — 8cos2^'-f-2cos47') -t-e'^^ 10 cos ^'-hScosS^' ^ 

 6 — 8 cos 2^ -h 2 cos 4^ I I 10 cos -+- 5 cos 5<7 | 

 24 . cos {cf-^q) — 24 . cos {cj- q) — 8 . cos (3^'+ <7)-t-8 . cos (Zq'-q) 

 3o . cos q' — 3o . cos ( q'-2q ) •+- 1 . cos (3q'+2q) + 2 o . cos ( "òq'- 2q ) 



-hée 



H-eV 



24 • cos (q'-hq) — 24 . cos (q'-q) — 8 . coS (q'+ S/jr) -4- 8 . cos (7 - 3*7) | 

 3o .cos^— 3o.cos(2<5f'-<7)-»- io.cos(2/7'+3^)-f-2o.cos(2<7'-37)j 

 24 — 24.005 27'- 24. cos 27 + 1 2. 005(29'+ 27)+ 12 . cos(2q'-2q)\ 

 30.005(27' — 7)-t-i5.cos(47'-t-7) I 

 3o.cos(7'-- 2<7)-+- 15 .cos(<7'-l-4<7) j ; 

 2 sin 27 - sin 4^ ) + sin^- ^sinS^ ^ 



— 3sin(7'+</)-3sin(7'-7) + 3sin(7'+37) +3sin(r/-3<7) | 



2 1 Q 3 21 ] 



sin sin (27'- 7 )+- sili ( 27'+ 37) - sin (27 - 37) j 



— 3sin(7'+7)-3sin(7'-7)+sin(37'+7)+sin(37'-7) j 



