ARCHES. 627 
E(¢) oe [ 2#e—cos sin-*(esin @) : 
+(1 —e*) sing log (A +ecos ¢) | 
8 ie 
(Go) fe [sin » . Hd) — cos g K (9) | 
A sin? ¢ — zea [$20 + 28 
4+ (8e4 — 322) E ; cos 
- Actsin gcostp-+sing 4 (1 —e2)'2+ 3e2)A —2 a 
b r(l—e?)? . 
A sing cos¢ BAe = sin ¢ log (A+ecos@) 
— cos psin~(esin g)— Ae* sin p cos @ 
+ besing | 
Fi b aes? 
(9) A [¥ + — sin ¢ log (A+ecos @) 
— ‘cosg sin-!(esin @ | 
= — x2 [(F—#) cosp+(A—1) sing ] 
oe os | E-(1—e2)F}sin @ +(A—1) cose | 
b fa 
ae aa [cosy # tang (E—1—@F) 
—E+9.A § 
— { B,-(—é)F, \ sing | 
sin Cos b rl—e. inc ae 
Sa ad eee sin p log(A+ecos o)+ 5esing 
] Hh ee est 
=~ cos@ sim 1(esin ¢)] 
