Talk:Ptolemy's table of chords/to do
- Further inline citations, including:
- It was the earliest trigonometric table extensive enough for many practical purposes, including those of astronomy
(an earlier table of chords by Hipparchus gave chords only for arcs that were multiples of 7½°).- Several centuries passed before more extensive trigonometric tables were created.
- Page numbers in Glowatzki and Göttsche?
- The parts about the three distinct methods of computing chords.
- More on the geometric theorems: Their precise statements, how they are proved, how they are used in deriving trigonometric identities, how those identities are used in computing chords.
- History of editions of the book including those in Arabic.
- When did more extensive tables supersede this one? Which century?
- How did the table influence later work?
- And probably other things.........
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