Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
mathematical table
|
| gptkbp:basisFor |
ancient Greek trigonometry
|
| gptkbp:createdBy |
gptkb:Claudius_Ptolemy
|
| gptkbp:dateCreated |
2nd century CE
|
| gptkbp:describes |
chord lengths for central angles
|
| gptkbp:dividesCircle |
360 degrees
|
| gptkbp:foundIn |
gptkb:Almagest
|
| https://www.w3.org/2000/01/rdf-schema#label |
Ptolemy's table of chords
|
| gptkbp:influenced |
later trigonometric tables
|
| gptkbp:intervals |
half-degree increments
|
| gptkbp:relatedTo |
sine function
circle geometry |
| gptkbp:usedFor |
astronomical calculations
trigonometric calculations |
| gptkbp:writtenBy |
gptkb:Greek
|
| gptkbp:bfsParent |
gptkb:Claudius_Ptolemy
|
| gptkbp:bfsLayer |
5
|