Albert Girard
1595  1632  Click the picture above  
Albert Girard was a French mathematician and musician. His work on trigonometry is the first to use the abbreviations sin, cos, tan.  
Full MacTutor biography  [Version for printing]  
List of References (14 books/articles)
Mathematicians born in the same country

 
Other Web sites  
 
JOC/EFR © May 2010
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