Charlie Scalf Trig Puzzle

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Across
  1. 2. The 4 areas a graph is divided into
  2. 5. The opposite of a number
  3. 7. 1/Sine
  4. 8. All values in QUadrant 1 are-
  5. 9. Radius x angle
  6. 10. Inverse of Cosine
  7. 13. When given SAS or SSS of a triangle use this Law on a small angle
  8. 15. A circle of values in degrees and radians
  9. 17. When given a pair of angle and side in a triangle, use this law find the other angles/sides
  10. 19. Sine over Cosine
Down
  1. 1. The best math teacher
  2. 3. An expression with 3 values
  3. 4. The measure of space inside a slice of a circle
  4. 6. A quadrant 1 angle relating to a bigger angle equivalent to it
  5. 11. Expression used to remember what Sin, Cos, and Tangent are
  6. 12. Vertical lines that inverse expressions approach but don't touch
  7. 14. Cosine/Sine
  8. 16. The first value in any unit circle pair
  9. 18. Opposite and Hypotenuse
  10. 19. What an unknown angle is called