Who founded trigonometry?

1 ANSWERS

1. Guest5020
   

   Our modern word "sine", is derived from the Latin word sinus, which means "bay" or "fold", from a mistranslation (via Arabic) of the Sanskrit word jiva, alternatively called jya.Aryabhata used the term ardha-jiva ("half-chord"), which was shortened to jiva and then transliterated by the Arabs as jiba (??). European translators like Robert of Chester and Gherardo of Cremona in 12th-century Toledo confused jiba for jaib (??), meaning "bay", probably because jiba (??) and jaib (??) are written the same in the Arabic script (this writing system, uses accents instead of vowels and in some formats the accents are not written to ease writing, so if the readers are not familiar with the language they might be confused between words with the same letters but different phonetics). The words "minute" and "second" are derived from the Latin phrases partes minutae primae and partes minutae secundae.

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