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Geometry Chapter 9
Geometry Chapter 9 vocabulary
| Question | Answer |
|---|---|
| a set of 3 positive intetegers a,b and c that satisfy the equaion c2=a2+b2 | pythagorean triple |
| a ratio of the lengths of two sides in a right triangle | trigonometric ratio |
| a trigonometric ratio abbreviated as tan | tangent |
| a trigonometric ratio abbreviated as sin | sine |
| a trigonometric ratio abreviated as cos | cosine |
| when you look up at an object, the angle that your line of sight makes with a line drawn horizontally | angle of evevation |
| when you look down at an object, the angle hat your line of sight makes with a line drawn horizontally | angle of depression |
| to find the measures of all of the sides and angles of a right triangle | solve a right triangle |
| abbreviated as tan-1 | inverse tangent |
| abbreviated as sin-1 | inverse sine |
| an inverse trigonometric ratio abbreviated as cos-1 | inverse cosine |