Mathematics

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Across
  1. 2. divide to three
  2. 6. line that
  3. 8. sideoppositetoright
  4. 9. observer
  5. 10. 1/tan A
  6. 13. ration
  7. 14. line that
  8. 16. lili ordinate x coordinate
  9. 18. othernameofbpt
  10. 19. recc
Down
  1. 1. pairthatgivesposition
  2. 3. degree highestpower
  3. 4. other name of b2-4ac
  4. 5. al
  5. 7. equationconsistvalues
  6. 9. expression
  7. 11. line
  8. 12. differencoftwonegatives
  9. 15. cos
  10. 17. is a term