Abu Nasr Mansur
Born : 970, Gīlān
Died : 1036, Ghazni
Known for : Trigonometry Law of sines
Fields : Astronomer Mathematician.
Abu Nasri Mansur ibn Ali ibn Iraq (Persian: أبو نصر منصور بن علی بن عراق; c. 960 – 1036) was a Persian Muslim mathematician and astronomer. He is well known for his work with the
spherical sine law.
Abu Nasr Mansur was born in Gilan, Persia, to the ruling
family of Khwarezm, the Afrighids. He was
thus a prince within the political sphere. He was a student of Abu'l-Wafa and a teacher of and also an important
colleague of the mathematician, Al-Biruni. Together,
they were responsible for great discoveries in mathematics and dedicated many
works to one another.
Most of Abu Nasri's work focused
on math, but some of his writings were on astronomy. In
mathematics, he had many important writings on trigonometry, which were
developed from the writings of Ptolemy. He also
preserved the writings of Menelaus of Alexandria and
reworked many of the Greeks theorems.
He died in the Ghaznavid Empire (modern-day Afghanistan) near the city of Ghazna.
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Mathematician
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