Trigonometric ratios in right triangles

Given the side lengths of a right triangle, find the sine, cosine, or tangent of one of the acute angles.


sine, left parenthesis, angle, A, right parenthesis, equals
  • Your answer should be
  • a proper fraction, like 1, slash, 2 or 6, slash, 10
  • a simplified proper fraction, like 3, slash, 5
  • an improper fraction, like 10, slash, 7 or 14, slash, 8
  • a simplified improper fraction, like 7, slash, 4
Use an exact expression.