Observations trigonométriques
Year of Conception: ?
Year of Writing: April 1769
Year of Publication: 1768/1770
Subject: Trigonometry, Mathematical Tables
Publication: Observations trigonométriques. Mémoires de l'Académie royale des sciences de Berlin, année 1768/1770, 327-354.(1)

Description:
Lambert explains at length hyperbolic sines, cosines and tangents, and how to construct tables of their values.
Reviews: ADB 1771, 95-96(6)

