Ratio of the adjacent side of an angle in a right triangle to the angle's opposite side.
Ratio of the adjacent to the opposite side of a right-angled triangle.
1He invented tools for computation, navigation and surveying, and invented the trigonometry concepts of cosine and cotangent.
2Depending on your personal relation with trigonometry, you also have Edmund Gunter to praise or curse for the words cosine and cotangent.
Translations for cotangent