368

ASTRONOMIE.

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[(r + p ) + (r + ?)/]

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ÿ(S> + ‘,pF + ' r ( <l -p)f)

n (• +[- r) J '+ (//—/’) f

21 3. Mais nous avons trouvé (ig3)

r coa b 1

donc

P —sia (A*— a')> P

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P

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i

, [N(. + ^ ) J* + (» ~rt/Ê$=£]

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N C I+ F^> co ïÿs in(A"^Ô + ^~ P)f ^-b") luT(( i t' J\j t" sin (i"— b') sin (A"—a') cos b"

■ ‘J s in(i®—è") sin(A"—â“) * côsF

t /■„ r sin(6"—è')cosè“

^ PJJ sin( b"’—b") sin (A"— a")

M (i + £/>)(>' + (<!-P)f ^^p ÿpry (■

, „«■ . r t, t nrfsini" arfsinè" R'sinfA"—A')sinè"

3 ‘4- M “/=‘ îM = -lSM- = .'iKF='ÿj=- ,in(i"-f.') i P 01 "

tons cette valeur dans le dernier terme» il deviendra

7 r N R'sin(A"—A')sin b" sin(Z>"—i')cos b'°

Il =(q —p) sin (b"—b') YY(V^-b")*m(A"—d“)

_ (g — p) R' sin (A”— A') sin b" cos b" *

sin(A"—a") sin (b" — b") • *

_ R'sin(A"—A '){q —p)tang b"cos b"cos b'“ _ R'sin (A"— A. ') (ci — P) * an S

sin (A"— a*) sin (&"—■' ’P) “ sin (A"—a") tangi")

R'sin(A"—A') (g —p) tang b" _ R'sin(A"—A') {(] — p) tan g b“

" tang/3"'—tangù"sin(A"— ci“) ’

sin (A' a) ( - tang b " )