Across
- 2. Sight line from observer to an object above
- 6. Tangent of 90 degrees is said to be
- 7. Half the distance between the maximum and minimum point on a sine/cosine graph
- 8. One full cycle on a sine/cosine graph
- 9. Number equal to approximately 3.14
- 10. Inverse function of tangent
- 13. Father of trigonometry
- 15. Opposite divided by adjacent
- 16. Opposite divided by hypotenuse
- 17. Adjacent divided by hypotenuse
- 18. Inverse function of cosine
Down
- 1. The sine lies on this
- 2. Sight line from observer to an object below
- 3. Theta multiplied by radius divided by time
- 4. Theta divided by time
- 5. Theta multiplied by radius
- 8. Wrote the Almagest
- 11. Symbol used to refer to an unknown angle
- 12. The cosine lies on this
- 14. Inverse function of sine