Trigonometry

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Across
  1. 3. The angle between the horizontal line of sight and an object below the observer.
  2. 6. The side opposite the right angle in a right-angled triangle.
Down
  1. 1. The ratio of the adjacent side to the hypotenuse.
  2. 2. The study of the relationships between the sides and angles of triangles.
  3. 4. An angle measuring 90 degrees.
  4. 5. The ratio of the opposite side to the adjacent side in a right triangle.
  5. 7. The ratio of the opposite side to the hypotenuse.