Chapter 9: Right Triangles and Trigonometry

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Across
  1. 3. an inverse trigonometric ratio, abbreviated as cos^-1
  2. 5. a trigonometric ratio for acute angles that involves the lengths of a leg and the hypotenuse of a right triangle
  3. 6. a set of three positive integers a,b and c that satisfy the equation c^2 = a^2 + b^2
  4. 10. the angle that a downward line of sight makes with a horizontal line
  5. 11. a trigonometric ratio for acute angles that involves the lengths of the legs of a right triangle
Down
  1. 1. to find all unknown side lengths and angle measures of a right triangle
  2. 2. an inverse trigonometric ratio, abbreviated as tan^-1
  3. 4. a ratio of the lengths of two sides in a right triangle
  4. 7. an inverse trigonometric ratio, abbreviated as sin^-1
  5. 8. of elevation the angle that an upward line of sight makes with a horizontal line
  6. 9. a trigonometric ratio for acute angles that involves the lengths of a leg and the hypotenuse of a right triangle