Trigonometric functions - MacTutor History of Mathematics
Ptolemy's table of chords - Wikipedia
Ptolemy's Table of Chords - Wolfram Demonstrations Project
PPT - Trigonometric Functions PowerPoint Presentation, free download - ID:6749912
Ptolemy's table of chords - Wikipedia
Ptolemy's Table of Chords - Wolfram Demonstrations Project
Hipparchus's Contribution in Mathematics – StudiousGuy
History of Trigonometry Outline
arXiv:1510.03180v2 [math.HO] 2 Feb 2016
SC/NATS 1730, IX 1 Claudius Ptolemy Saving the Heavens. - ppt download
How Ptolemy constructed trigonometry tables
Chords
Hipparchus (190 BC - 120 BC) - Biography - MacTutor History of Mathematics
How Ptolemy constructed trigonometry tables
Trigonometry: Chords, Arcs and Angles
Think Like Archimedes. Trigonometry finds its roots in the… | by Adam Hrankowski, ADHD | MathAdam | Medium
![Ptolemyʼs table of chords [20]. | Download Scientific Diagram](https://www.researchgate.net/profile/Stefano-Buscherini/publication/216420998/figure/fig2/AS:394123409412100@1470977751305/Ptolemys-table-of-chords-20_Q320.jpg "Ptolemyʼs table of chords [20]. | Download Scientific Diagram")
Ptolemyʼs table of chords [20]. | Download Scientific Diagram
Ptolemy's Table of Chords - Wolfram Demonstrations Project
Lecture on Claudius Ptolemy - ppt download
Metron Ariston: 2018
