EULER, Introduction à l’analyse infinitésimale, 1796-1797
EULER, Léonard.
Introduction à l’analyse infinitésimale.
Paris, Barrois, An IV (1796) - an V (1797).
Two 4to (256x198 mm), (2)-xiv-(2)-364 pages and one folding table / (8)-424 pages and 16 folding plates. binding : Contemporary full mottled sheep, spine gilt in six compartments. Bindings strongly rubbed, with lack of leather formerly badly repaired.
First french edition (The original edition is in Latin) of this fundamental work in which Euler discusses the general study of functions and highlights for the first time the connections between exponential and circular functions.
It introduces common abbreviations for trigonometric functions, and shows the relation cos θ + i sin θ = e (iθ).
references: Pour l'édition latine de 1748 voir: Norman [732], PMM [196].
Price : 1200 €