be 
6 
2 - eig ©, cos? Ssins cos? 2 [cos (2v;t+u+2u, —2u,) 
+Acos?w+ w+ 2u,-2u;)] 
= nn 082 2) sin! > [cos (2v; — Zus — Zu; — 2u;) 
+ 4 cos (2va — Zug — 2u; — 2u;) ] 
a 2 @) 
== - = - cos? 5 cos* 5leos (2vi + 2u + 2uı — 2u;) 
+ A cos (2vg + Zus + Zu, — 2u3)] 
nz Sc kAcos sin e cos 8 [cos (dva—N—u;) — cos (N us) ] 
) 
= 5 kA Ber "(T + cose — 2cos?e) [cos Q2v, — N w- u) 
— cos(N — wu — us) ] 
cos2%) _ B 
<f ok na (IT — cos & — 2cos?e) [cos 2va — N + u — u;) 
— cos(N + w-— uy)] 
53 B-An? .& 
ee @ 0 
Nee, Actg ©, cos a Ir cose 
— 2cos?e) [cos(?v» N— u — 2u, — us) — cos(N-us-2uy—us)] 
Bi 2 (@ 
m es 2 ER etg ©, cos? ” (Il — 0sE 
8 G..® 2 
— 2.cos?s) [cos (Ov; - N+w+ 2, —u;) — cos (N ww 2u,— u;)] 
9 B-An? 
wa a A cos © sine cose [cos (2vz; — N— 2u, — u;) 
— cos (N — 2u; — us) | 
- 6 Das = 2 )cos © sine cose [cos (2va — N + 2u, — u,) 
— COS (N + 2u4 I u3) ] 
[cos (21a — N — 2us — us) 
— cos (N — 2us — us) ] 
— ck4cos © sine sin? 
Do 
€ 
[cos 2va — N + 2 — u;) 
— cos(N + 2us — us) | 
+ ckAcos & sine cos? 
DD 
