Trigonometric Ratios

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Across
  1. 2. An angle measuring 90 degrees.
  2. 6. The side opposite the reference angle.
  3. 8. The trigonometric ratio of the length of the side opposite the reference angle to the length of the side adjacent to the reference angle of a right-angled triangle.
Down
  1. 1. Theta(θ)
  2. 3. The side next to/beside the reference angle.
  3. 4. The side opposite to the right angle.
  4. 5. The trigonometric ratio of the length of the side adjacent to the reference angle divided by the length of the hypotenuse of a right-angled triangle.
  5. 7. The trigonometric ratio of the length of the side opposite the reference angle divided by the length of the hypotenuse of a right-angled triangle.