t meget lc [eos:™* 1e(n)#SIN( 2) Sin) 
5 [cost 28") stn)-sin( 75 ud cin] } 
n 
FIG. 5- CASE I: n,<I ; RELATIONSHIP 
BETWEEN $,(n) AND fg (n) 
(2 fe 
ee aa [cos (2B )c (n) + SIN (= stn] 
= — L, [cos (22° Eseisantes ical 
Nn 
ul 
FIG. 6- CASE I: n;>l; RELATIONSHIP BETWEEN 
$y (n) AND fg(n) 
37 
