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Mathematical Treasure: Sylvestre Lacroix's Trigonometry

Author(s): 
Frank J. Swetz (The Pennsylvania State University)

In 1798, Sylvestre Lacroix published Traité Élémentaire de Trigonométrie rectiligne et Sphérique. The images below are taken from the third edition, published in 1803.

Title page of Traité Élémentaire de Trigonométrie rectiligne et Sphérique by Sylvestre Lacroix, third edition, 1803

As he explained in his “Préface,” the book was written in support of his calculus.

First page of preface to Traité Élémentaire de Trigonométrie rectiligne et Sphérique by Sylvestre Lacroix, third edition, 1803

These images are shown through the courtesy of the European e-rara archive, where the work may be viewed in its entirety.

Index to Mathematical Treasures

Frank J. Swetz (The Pennsylvania State University), "Mathematical Treasure: Sylvestre Lacroix's Trigonometry," Convergence (July 2018)

Dummy View - NOT TO BE DELETED