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