Definition of cotangent in English:

cotangent

Syllabification: co·tan·gent
Pronunciation: /kōˈtanjənt
 
/

noun

Mathematics
(In a right-angled triangle) the ratio of the side (other than the hypotenuse) adjacent to a particular acute angle to the side opposite the angle.
More example sentences
  • If the tangent of an angle is a/b then the cotangent of that angle is b/a.
  • The first tabulates logarithms of the sine, cosine, tangent and cotangent functions at 1 intervals and shows how to solve triangles using logarithmic functions.
  • I can't tell the difference between radians, tangents, cotangents, secants, etc.

Definition of cotangent in:

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