4 public-domain matches

Cotangent

Cover of Bowditch's Useful Tables

Bowditch's Useful Tables

Nathaniel Bowditch, Jonathan Ingersoll Bowditch

Cover of Seven-figure logarithms of numbers from 1 to 108,000 and of sines, cosines, tangents, cotangents to every 10 seconds of the quadrant

Seven-figure logarithms of numbers from 1 to 108,000 and of sines, cosines, tangents, cotangents to every 10 seconds of the quadrant

Ludwig Schrön

Cover of Seven-figure logarithms of numbers from 1 to 108000

Seven-figure logarithms of numbers from 1 to 108000

Heinrich Ludwig Friedrich Schrön, Augustus De Morgan

Cover of Mathematical Analysis and Analytic Number Theory 2019

Mathematical Analysis and Analytic Number Theory 2019

Unknown author