Daddy's crossword

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Across
  1. 2. of sines an equation relating to lengths of triangle
  2. 3. adjacent over hypotnuse
  3. 6. end point of a ray
  4. 8. hypotnuse over adjacent
  5. 10. what makes the number cancel out
  6. 12. 3.14 never ending number
  7. 15. angle smallest angle of terminal side
  8. 16. distance between x axis to top of wave
  9. 17. side position after rotation of the ray
  10. 18. hypotnuse over opposite
Down
  1. 1. a unit of angle
  2. 4. measurement of angle
  3. 5. circle circle with radius of one
  4. 7. formula law to find area of triangle and sides
  5. 8. adjacent over opposite
  6. 9. longest side of triangle
  7. 11. opposite over hypotnuse
  8. 13. a place in value
  9. 14. opposite over adjacent