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Mathematical Treasures - Ozanam's Trigonometry

Frank J. Swetz (The Pennsylvania State University)

Jacques Ozanam (1640–1717) was a popular Parisian mathematics teacher and a prolific author of texts. This is the title page for his Trigonometry, Plane and Solid, published in 1741.

Title page for Ozanam's trigonometry textbook.

The first proposition in the Trigonometry.

Page 49 from Ozanam's trigonometry textbook.

These images from its George Arthur Plimpton Collection are presented through the courtesy of the Columbia University Libraries.

Index to Mathematical Treasures

Frank J. Swetz (The Pennsylvania State University), "Mathematical Treasures - Ozanam's Trigonometry ," Convergence (January 2020)

Mathematical Treasures from the Smith and Plimpton Collections at Columbia University