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Abu Nasr Mansur
Persian mathematician and astronomer (c. 960 – 1036)
Abū Naṣr Manṣūr ibn ʿAlī ibn ʿIrāq al-Jaʿdī (Persian: أبو نصر منصور بن علی بن عراق; c. 960 – 1036) was a Persian[1]Muslim mathematician and astronomer.
He is well known for his work with the spherical sine law.[2][3]
Abu Nasri Mansur was born in Gilan, Persia, to the ruling family of Khwarezm, the Afrighids.[4] He was thus a prince within the political sphere.
When was islam founded bcHe 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 mathematics, 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 Gre