The

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Across
  1. 2. The common endpoint of the two rays of an angle.
  2. 4. The ray where the angle begins.
  3. 8. When an angle’s vertex is the origin and its initial side is along the x-axis.
  4. 9. Formed by two rays that have a common endpoint.
  5. 11. A number with a real and an imaginary component, in the form of a+bi.
  6. 12. An angle that terminates on the x or the y axis.
  7. 15. The inverse of exponential functions.
  8. 17. Moving up or down along the vertical y-axis.
  9. 18. Two angles whose measures sum to 90 degrees.
  10. 20. The set of all y-values.
  11. 21. In the coordinate plane, they are generated by counterclockwise rotation.
  12. 23. r of a circle.
  13. 25. When every term in the equation changes sign when replaced with -x, the function is.
  14. 26. In the coordinate plane, they are generated by clockwise rotation.
  15. 28. The number of times a root is associated with an equation.
  16. 29. Moving left or right along the horizontal x-axis.
Down
  1. 1. The reciprocal identity of tangent.
  2. 3. The ray where the angle ends.
  3. 5. (h,k) of a circle.
  4. 6. The reciprocal identity of sine.
  5. 7. If two angles in standard position have the same terminal side.
  6. 8. Two angles whose measure sum to 180 degrees.
  7. 10. The irrational number, e, is approximately equal to 2.718.
  8. 13. The set of all x-values.
  9. 14. A part of a line that has only one endpoint and extends forever in the opposite direction.
  10. 16. A relation in which the domain and the range of the original function have been switched.
  11. 19. When the equation does not change if x is replaced with -x, the function is.
  12. 22. The behavior of the graph of a function to the left or right
  13. 24. The reciprocal identity of cosine.
  14. 27. A relationship between sets of information. It is a set of ordered pairs.