624 DE MOTU GLOBI CIRCA AXEM &c.

et 8 — /

— £ cof f et 8 fin; = ——, colligitur tangx — > 2 ^

se co

ff +

4 SSggfft*

sf cof f

^ ^ ; hiucque motus inaequabilis durabit peC

sctaf finf eaafCi nf

temporis fpatumi / = <P° «■> v = — -- + j -■

manente <p = £ = 90° + h. Porro etiamnunc erit angulus MZO = h»

nn . sf{ a * finf* + (aa + ff)* coff*)

at tangj = -- tangf et 8 — —-^-^-4-—,

aa+ff aa+ff

M

f

.I'