## E672 -- Theorema maxime memoragile circa formulam integralem $$\int \frac{d\phi \cos \lambda\phi}{(1+aa-2a\cos\phi)^{n+1}}$$

(A memorable theorem about the integral formula $$\displaystyle \int \frac{d\phi \cos \lambda\phi}{(1+aa-2a\cos\phi)^{n+1}}$$)

Summary:

Publication:
• Originally published in Institutiones calculi integralis 4, 1794, pp. 194-217
• Opera Omnia: Series 1, Volume 19, pp. 141 - 167
• Reprinted in Institutiones calculi integralis, ed. tertia, 4, 1845, pp. 194-217 [E672a]
Documents Available:
• Original Publication: E672