Statements (50)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:appliesTo |
spheres
|
| gptkbp:fieldOfStudy |
gptkb:mathematics
|
| gptkbp:hasApplication |
surveying
satellite tracking global positioning systems astronomical navigation mapping the sky calculating distances between points on a sphere determining positions on Earth determining time from celestial observations |
| gptkbp:hasConcept |
great circle
Napier's analogies Napier's rules angle of a spherical triangle oblique spherical triangle polar triangle right spherical triangle side of a spherical triangle spherical excess spherical law of cosines spherical law of sines |
| gptkbp:hasEquation |
cosine rule for angles
cosine rule for sides sine rule tangent rule |
| gptkbp:hasHistoricalText |
gptkb:Almagest
gptkb:On_the_Sphere_and_Cylinder gptkb:Sphaerica |
| gptkbp:historicalPeriod |
gptkb:Islamic_mathematicians
gptkb:Greek_mathematicians European mathematicians |
| gptkbp:historicalSignificance |
gptkb:Al-Battani
gptkb:Hipparchus gptkb:Regiomontanus gptkb:Menelaus_of_Alexandria gptkb:Al-Tusi |
| gptkbp:importantFor |
astronomical calculations
celestial navigation measuring distances on a sphere |
| gptkbp:relatedTo |
gptkb:geometry
trigonometry |
| gptkbp:studies |
spherical triangles
|
| gptkbp:usedIn |
gptkb:astronomy
gptkb:navigation cartography geodesy |
| gptkbp:bfsParent |
gptkb:Plane_and_Spherical_Trigonometry
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Spherical Trigonometry
|