Trigonometry Crossword #2

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Across
  1. 4. A measure of rotation.
  2. 6. (Three words) This law is used when you know one pair or sides and one angle across or vise versa.
  3. 8. Known as the opposite operation or the operation of function that undoes the operation or function.
  4. 9. This is the abbreviation for Sine.
Down
  1. 1. A triangle without a right angle.
  2. 2. A unit of angle measurement equal to 1/360 of a revolution.
  3. 3. This is the abbreviation for Tangent.
  4. 5. (Three words) This law is used for a SSS or SAS triangle.
  5. 7. The abbreviation for Cosine.