Adv. Alg. UNIT CIRCLE

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Across
  1. 2. the ray on the positive x-axis
  2. 4. length of the radius on a unit circle
  3. 6. point in common for two rays which form an angle
  4. 10. tangent value at 7 pi/4
  5. 12. one of four sections the x- and y-axis divide a plane into
  6. 16. sine value at pi
  7. 17. angle measure when arc length equals a circle's radius
  8. 18. the values of sine and cosine will be equal to or _____ -1 and 1
  9. 19. _____ right triangles are used to find common trig values on a unit circle
  10. 21. the ray where an angle ends/stops
Down
  1. 1. direction to measure positive angles on a unit circle
  2. 3. x-value on the unit circle
  3. 5. theorem which shows relationship of side lengths in a right triangle
  4. 7. acute angle formed by the x-axis and the terminal side of an angle
  5. 8. tangent value at 3 pi/2
  6. 9. position where angles are graphed on a unit circle
  7. 11. distance around a circle
  8. 13. ratio of y-value to x-value on the unit circle
  9. 14. angle measure in the first quadrant where sine = cosine
  10. 15. name for the center of a unit circle
  11. 20. y-value on the unit circle