Difference between revisions of "Trigonometry"
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Revision as of 07:28, 8 March 2016
Trigonometry (from Greek trigōnon, "triangle" and metron, "measure") is a branch of mathematics that studies relationships involving lengths and angles of triangles.
History o
The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.
See also
External links
- Trigonometry @ Wikipedia
