Across
- 3. the study of numbers
- 6. never ending
- 7. sine, cosine, tangent
- 8. tangent of pi/2 radians
- 9. a quarter of the unit circle
- 11. a measure of rotations
Down
- 1. the study of periodic functions
- 2. horizontal distance
- 4. TOA
- 5. height
- 10. a circle with a radius of one