1. cotangent

noun. ratio of the adjacent to the opposite side of a right-angled triangle.


  • circular function
  • trigonometric function

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Sentences with cotangent

1. Noun, singular or mass
When inputting cotangent into a graphing calculator, you need to know the angle in degrees for which you are trying to find the cotangent.

2. Adjective
Mathematicians give these reciprocals the names cosecant, secant and cotangent respectively.