32 
T 
F cos (yrpo bap = Ga VGn 3). 8-3-1 (a) (b) 
TT 
B 
J cos age Ia = Bam ay eae () 
os 
D 
The integrals then yield 
R = 2rdJo (&) (16a) 
(where Jo is the Bessel function of order zero) 
TT 
R= argo (@)4jr | sin[e(costp-go 11d? (16b) 
oO 
R= nro (2}+jr | sin €(costp-po 12 (16c) 
TT 
2 
where 
& = kr .f (cosa- cosao)* +(cos8- cosBo )* 
These equations are solutions of 15a, 15b, and 15c, respec- 
tively. If equation (16a) is normalized 
R = Jo (&) 
which is the same as the result obtained in reference 1, 
page 58. 
If equation 15c is evaluated for a, = 0°, Bo = 90°, 7, = 90°, 
a = § then 
il 
2 
R= r| exp 2jkrsin(g )sin(g-3 ) ag 
TT 
2 
