
== w*s^* 
243 
5 . 4 . 
Consideremus jam casum, quo sit 
. m n 
F (a , b, etc ) ss a . b , etc. 
= b ass etc. = -j- 1 j « ssj 3 = etc, = «— 1 , 
quo fit 
P (1 * Cos A at - Sin Ax l^-i) . (1 - Cos /ax - Sin px 1) . etc. 
fjt 
-J- (1 • Cos Ax’-fSinAx V- 1) . (1 - Cos px -{-Sin (jix i)n, etc.' 
Q = y ~ l C 1 ~ CosAx- Sin Ax |/-i) . (1 - Cos^ux- Sin /^x|/- 1) . etc. 
- 1 m n 
— — (1 - Cos Ax+SinAx t^-i) . (1 - Cos/ux-t-Sin^x^/- 1) - etc. 
Atque cum sit 
_ Ax* _ . Ax ^ 7t - Ax 
I - Cos Ax rz 2 (Sin — ) — 2 Sin — Cos — 
2 2 2 
Ax Ax Ax 9 T- Ax 
Sin Ax= 2 Sin — Cos — ==2 Sin — Sin 
22 22 
tum vero ob formulas cognitas 
m «* Ax,i», n »1(7?- Ax') f «1(7?- Ax) 
'(i-CosAx+SinAxj/- 1) =2 (Sin — ) (Cos -ifcSin V-i)> 
22 2 
.w n MX w k(tt-mx) n(7t-ux) , _ 
i-Cos/^xHhSin^x\/-i) =2 (Sin — ) (Cos ~ 4 ~Sin— V"0 
2 
