Trigonometry I

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Across
  1. 1. two angles that sum to ninety degrees
  2. 3. used to find the measure of an angle or the length of a line segment in triangles
  3. 4. a field of study that uses trigonometry
  4. 7. the complementary angle of sine
  5. 8. the measure of the amount of turn
  6. 9. the term used to describe the angle that is used to establish the opposite and adjacent sides
Down
  1. 2. the angle of _______ is formed when looking up from a point
  2. 3. any polygon whose internal angles sum to 180 degrees
  3. 5. this trigonometric ratio of 45 degrees is 1
  4. 6. the length of the opposite side divided by the length of the hypotenuse describes this ratio