CROSSWORD FOR TRIGONOMETRY

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Across
  1. 3. Vertical component of rotation
  2. 6. a^2+b^2=c^2
  3. 7. Horizontal component of rotation
  4. 8. Inverse of tangent
  5. 9. Side opposite to right angled side of triangle
Down
  1. 1. Another word for height
  2. 2. In a triangle it is the line segment drawn from a vertex to the midpoint
  3. 4. The ratio of hypotenuse to opposite side
  4. 5. Inverse of cosine