Trigonometric Crossword Fun!

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Across
  1. 2. function going down the graph
  2. 5. vertical line on the graph
  3. 6. X variables
  4. 9. Theorem a2+b2=c2
  5. 12. function going up the graph
  6. 13. first, outside, inside, last
Down
  1. 1. 1,3,5,7...
  2. 3. says how many times to use that number in a multiplication; written as a small number
  3. 4. reciprocal of sine
  4. 7. reciprocal of tangent
  5. 8. reciprocal of cosine
  6. 10. measure of the vertex formed by two lines or rays diverging from a common point
  7. 11. horizontal line on the graph