Chapter 4: Trigonometric Functions

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Across
  1. 3. reciprocal of cosine
  2. 5. ratio of a central angle's intercepted arc's length to the circle's radius
  3. 7. half the difference of the maximum and minimum values of a periodic function
  4. 12. angle with its vertex at the origin of a coordinate plane
  5. 13. trigonometric function of an angle's complement
  6. 14. common endpoint of two rays
  7. 16. ratio of arclength or distance traveled per time
  8. 17. inverse function of tangent
  9. 18. horizontal length of one complete cycle
  10. 19. any function that is a transformation of a sine function
  11. 22. horizontal length of one cycle in a periodic function
  12. 25. measurement of an angle that represents 1/360 of a circle
  13. 26. defined by s=r times theta
  14. 29. angle formed by a horizontal line and the line of sight below the horizontal
  15. 31. inverse function of sine
  16. 32. ratio of adjacent leg and hypotenuse of a right triangle
  17. 33. reciprocal of sine
  18. 37. triangle formed by a perpendicular drawn to the x-axis from the terminal side of an angle in standard position
  19. 38. reciprocal of the period of a function
  20. 39. counterclockwise rotation
  21. 40. ratio of leg opposite of an acute angle and hypotenuse of a right triangle
  22. 41. reversing the functional relationship between angle measure and the ratio of the sides in a right triangle
  23. 42. acute angle formed by the x axis and the terminal side of an angle in standard position
Down
  1. 1. 1/60 of a degree
  2. 2. angle measuring less than 90 degrees
  3. 4. final position of sweeping ray
  4. 6. ratio of an angle of rotation
  5. 8. y=a sin b(x-h)+k or y=a cos b(x-h)+k
  6. 9. reciprocal of tangent
  7. 10. angle formed by a horizontal line and the line of sight above the horizontal
  8. 11. clockwise rotation
  9. 15. reciprocal of the period 1=f/p
  10. 20. angle measuring greater than 90 degrees but less than 180 degrees
  11. 21. horizontal line halfway between the maximum and minimum values of a function
  12. 23. ratio of leg opposite of an acute angle and adjacent to that angle of a right triangle
  13. 24. distance along a section of a curve
  14. 27. circle centered at the origin with a radius of 1
  15. 28. horizontal translation in the graph of a trigonometric function
  16. 29. inverse function of cosine
  17. 30. measure of a central angle that intercepts an arc whose length is the same as the circle's radius
  18. 34. 1/3600 of a degree
  19. 35. ratios of side lengths in terms of their relationship to an acute angle in a right triangle
  20. 36. measurement of sound frequency