How Ptolemy constructed trigonometry tables
Hipparchus (190 BC - 120 BC) - Biography - MacTutor History of Mathematics
arXiv:1510.03180v2 [math.HO] 2 Feb 2016
Metron Ariston: 2018
PPT - Trigonometric Functions PowerPoint Presentation, free download - ID:6749912
Hipparchus's Contribution in Mathematics – StudiousGuy
Chords
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![Ptolemyʼs table of chords [20]. | Download Scientific Diagram](https://www.researchgate.net/publication/216420998/figure/fig2/AS:394123409412100@1470977751305/Ptolemys-table-of-chords-20.png "Ptolemyʼs table of chords [20]. | Download Scientific Diagram")
Ptolemyʼs table of chords [20]. | Download Scientific Diagram
The Beginnings of Trigonometry
Trigonometric functions - MacTutor History of Mathematics
Mathematical tables in Ptolemy's Almagest - ScienceDirect
Think Like Archimedes. Trigonometry finds its roots in the… | by Adam Hrankowski, ADHD | MathAdam | Medium
Chords
How Ptolemy constructed trigonometry tables
Trigonometry: Chords, Arcs and Angles
Teaching and Learning the Trigonometric Functions through Their Origins: Episode 2 – Hipparchus' Table of Chords | Mathematical Association of America
Trigonometry: Chords, Arcs and Angles
Ptolemy's Table of Chords - Wolfram Demonstrations Project
Ptolemy's table of chords - Wikipedia
Ptolemy's table of chords - Wikipedia
Ptolemy's table of chords - Wikipedia
Ptolemy's Table of Chords - Wolfram Demonstrations Project
Lecture on Claudius Ptolemy - ppt download
