A km diameter lunar crater located on the southern hemisphere of the moon is named after him as " Nasireddin ". He also stated the law of sines for spherical triangles, discovered the law of tangents for spherical triangles, and provided proofs for these laws. Incumbent leaders. He also calculated the value for the annual precession of the equinoxes and contributed to the construction and usage of some astronomical instruments including the astrolabe. They are close to animals by their habits, deeds and behavior.
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