n. In a right triangle, the reciprocal of the tangent of an angle. Symbols: cot, ctg, or ctn
the GNU version of the Collaborative International Dictionary of English
n. The tangent of the complement of an arc or angle. See Illust. of functions.
The Century Dictionary and Cyclopedia
n. In trigonom., the tangent of the complement of a given are or angle. Abbreviated cot. See the figure.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. ratio of the adjacent to the opposite side of a right-angled triangle
Word Usage
"It can also be used for such operations as involution (raising to a power) and evolution (extraction of a root) and for calculations with trigonometric functions (sine, cosine, tangent, cotangent)."