trigon

12345678910111213141516171819
Across
  1. 4. A line approached by a curve but never touched.
  2. 7. The side opposite to a given angle in a right-angled triangle.
  3. 8. The maximum extent of a vibration or oscillation.
  4. 10. The angular displacement of a point in a cycle.
  5. 12. The reciprocal of the sine function.
  6. 14. A unit of angular measurement.
  7. 15. The amount of rotation needed to bring one line or plane to coincide with another.
  8. 16. The quantitative relation between two amounts.
  9. 17. The number of occurrences of a repeating event per unit of time.
  10. 19. A trigonometric function related to the cosecant.
Down
  1. 1. A trigonometric function related to the secant.
  2. 2. The reciprocal of the sine function.
  3. 3. The longest side in a right-angled triangle.
  4. 5. A trigonometric function related to the sine.
  5. 6. The distance from the center to the outer edge of a circle.
  6. 9. The reciprocal of the tangent function.
  7. 10. A mathematical constant representing the ratio of a circle's circumference to its diameter.
  8. 11. A trigonometric function related to the cosine.
  9. 13. To move back and forth in a regular rhythm.
  10. 18. A trigonometric function related to the secant.