Full text: Commissions I and II (Part 4)

OS © 
in oj 
3O08 €) 
(10) 
  
  
The corresponding differential formulae are 
da 
dy 
Dp 
h 
T? {— y' cos q sin o + c (eos o cos x — sin q sin o sin x)} dx’ + 
h ; : ; 
De {x cos @ sin o — c (eos o sin x + sin @ Sin w Cos x)} dy' 4- 
P. 
mw : 
qe (a (sin q sin c sin x — cos o eos x) + y' (sin g sin o cos x + 
eos co sin x)) dc 4- 
T 
N, n 
uz. dh d 
hD 
h , . . *. / , . 
De {x 2 (sin ¢ sin o sin x cos x — COS w COS* x) + x'y' (cos o sin 2 « 4- 
sin g sin o cos 2 x) — y^ (sin g sin o sin x cos x - cos o sin? x) i- 
c cos g sin o (x' sin x 4- y' eos x) — c? eos c) dq + 
h 
(x? cos q eos x (sin g sin o COS x -- €os o sin x) — 
x'y' cos @ (sin ¢ sin © sin 2 x — cos o cos 2 x) — 
y"? cos q sin x (cos o cos x — sin q sin o sin x) — 
cx’ (sin ¢ cos o sin x — 
cos 2 o sin c cos x) — cy’ (sin eos o cos x T- cos 2 o sin o sin z) — 
c? gin q cos g sin oj do + 
h 
pe {(a" + y'?) cos psinw — cx' (cos c sin x -- sin q sin c eos x) + 
cy’ (sin ¢ sin o sin x — cos o COS x)} dx (12) 
h 
- [ — y'sing + c eos q sin x} dx’ + 
Dui 
h ( d 
: 3 A. | Ans i ; 
D? 1x sIN 9 + C COS o COS x, dy’ + 
  
 
	        
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