Trigonometry CA

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Across
  1. 3. opposite of divide
  2. 4. opposite over hypotnuse
  3. 5. a triangle with no even sides
  4. 8. inverse of sine
  5. 12. the distance along the edge part of a circle
  6. 13. ratio of the adjacent side to the hypotenuse of a right-angled triangle
  7. 14. inverse of add
  8. 15. order of operations acronym
  9. 16. a unit used to measure angles
  10. 17. angle equal to 90 degrees
Down
  1. 1. A triangle with 3 equal sides
  2. 2. an angle adding up to 90 degrees
  3. 4. An angle adding up to 180 degrees
  4. 5. inverse of cosine
  5. 6. angle smaller than 90 degrees
  6. 7. a triangle with 2 congruent sides
  7. 9. angle bigger than 90 degrees
  8. 10. opposite over adjacent
  9. 11. inverse of tangent
  10. 18. (abbreviated) the highest value two numbers have in common