Ebü'l-Vefa el-Bûzcânî
A leading mathematician and astronomer of the Islamic world
940 – 998 · 10th century
Abu al-Wafa is known for his work in trigonometry and astronomy, pioneering the systematic use of the tangent and cotangent functions. He conducted observations in Baghdad and discovered a new inequality related to lunar motion.
Era
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Birthplace
Büzcân, Horasan
Regions Lived In
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Civilizations
Fields of Expertise
Works (2)
Kitab al-Kamil (on trigonometry and astronomy)
Discovery of the "variation" inequality in lunar motion