Chapter 7- Right Triangles and Trigonometry
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11 terms
Terms | Definitions |
|---|---|
 Pythagorean Triple | A set of three positive integers a, b, and c that satisfy the a² + b² = c² |
| Trigonometric Ratio | A ratio of the lengths of two sides in a right triangle. |
| Tangent | ratio of the opposite to the adjacent side of a right-angled triangle |
| Sine | ratio of the opposite side to the hypotenuse of a right-angled triangle |
| Cosine | ratio of the adjacent side to the hypotenuse of a right-angled triangle |
| Angle of Elevation | The angle formed by a horizontal line and the line of sight to an object above the horizontal line. |
| Angle of depression | The angle formed by a horizontal line and the line of sight to an object below the horizontal line. |
| Solve a Right Triangle | To find the measures of all of the sides and angles of a right triangle |
| Inverse Tangent | If Tan A = x, then Tan^ -1 x = m∠A. |
| Inverse Sine | If sin A = y, then sin^ - 1 y = m∠A. |
| Inverse Cosine | If Cos A = z, then Cos^ -1 z = m∠A. |
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