Quantum redactiones paginae "Usor:Tchougreeff/QUOMODO sive HOW To/PRINCIPIA CALCULI DIFFERENTIALIS ET INTEGRALIS ITEMQUE CALCULI DIFFERENTIARUM FINITARUM AUCTORE ANDREA CARAFFA E SOCIETATE IESU ROMAE TYPIS IOANNIS BAPTISTAE MARINI ET SOCII MDCCCXLV" differant
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z = \Delta\cos\theta,</math> erit
<math>\Delta\cos\theta = \chi(\Delta\sin\theta\cos\omega, \Delta\sin\theta\sin\omega)</math> :
habita <math>\Delta
v =
f,'=f'. - A', \
\
\varphiα =\Delta'
f,'f,'= \
\
\Delta\Delta', \coso + \
Ain? ; quarum expressionum quadrata in summam collecta dant <math>A*[A*. + (A*-H A*o )sin*9]</math>: igitur▼
▲Ain? ; quarum expressionum quadrata in summam collecta dant A*[A*. + (A*
ffdxdyV(1--χ*.+x*,)= ffAdudwV [A'*.+(A*+-A*, sin-gj.
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