Guess The Mathematicians

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Across
  1. 3. Gave general method to find solution of Pell's Equation
  2. 4. Found bridge of Gulf between Algebra and Geometry
  3. 6. First person to use trigonometry to calculate the positions of the Sun, the Moon and the Planets
  4. 8. Introduced the concept of sine called Ardha-jya(halfchord)
  5. 9. Author of the book "Book of Numbers"
Down
  1. 1. First Iranian Female Mathematician to receive Field medal Awards
  2. 2. Submitted papers on "Researches on the theory of analytical Transformations"
  3. 4. Gave an influencial series of books called "Arithmetica"
  4. 5. Man who knew Infinity
  5. 7. French mathematician who gave fourth proof Fermat's