trigonometry

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Across
  1. 3. Describes the leg the does not touch the vertex of the angle
  2. 5. The longest side of a right-angled triangle, located opposite to the 90ยบ angle
  3. 8. Opposite over Adjacent
  4. 9. The ratio defined as Opposite/Hypotenuse
Down
  1. 1. The standard unit of angular measurement
  2. 2. To find the lengths of all sides and the measures of all angles.
  3. 4. The ratio defined as Adjacent/Hypotenuse
  4. 6. The circle with a radius of 1 used to illustrate trigonometric functions
  5. 7. The two sides that form the right angle in a right triangle