44 
= —s (cos?#**(2n- o )sin(21-go )+ cos*** 196 singo ) 
2 
2h+1 
oS (oe (Q-Bo dw 
{e) 
2m 
a J cos” (g- go Nap 
(0) 
But 
2 i 
2k — i Ae 8 ) 8 
| cos (W-Go )aw = ses Bay (27) 
O 
by induction hypothesis; hence 
aq 
2+ 2) x= x Saas Ril 
Se) OV open OSS AS: Cy) 
{e) 
Hence equation (C1) is established. 
Similarly, equation (C2) is shown to be valid: 
ILS = i 
etl 
eT 
| cost gh to dg - sin(g-go)|_ =a 
fe) 
Assume that equation (C2) is true for n = &. 
