Cotangent Calculator

Cot of an Angle Calculator
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Cotangent Calculator Results
Cotangent in Radian = rad
Cotangent in Degree = °

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Introduction to Cotangent:

Cotangent is one of the six trigonometric functions, along with sine, cosine, tangent, secant, and cosecant. It is abbreviated as cot and is defined as the ratio of the adjacent side to the opposite side in a right-angled triangle. Cotangent is used extensively in trigonometry and geometry, as well as in physics, engineering, and other fields that deal with angles and measurements.

The cotangent (cot) is a trigonometric function that relates to the ratio of the adjacent side to the opposite side of a right triangle. The cotangent is the reciprocal of the tangent, and it is abbreviated as cot.

The cotangent is used in many areas of mathematics and science, such as in engineering, physics, and navigation. It is commonly used in the study of triangles and angles.

Interesting Facts about Cotangent:

  • Cotangent is the reciprocal of the tangent function.
  • The word "cotangent" comes from the Latin words "co" (meaning "with" or "together") and "tangens" (meaning "touching" or "tangent").
  • Cotangent is related to the concept of a coterminal angle, which is an angle that has the same terminal side as another angle but has a different initial side.
  • Cotangent can be used to calculate the length of an adjacent side or the angle of elevation or depression in various real-world scenarios, such as surveying, construction, and navigation.

Formula for Cotangent

The formula for cotangent is:


  • θ is the angle in radians
  • sin(θ) is the sine of the angle
  • cos(θ) is the cosine of the angle
  • tan(θ) is the tangent of the angle

Using the Cotangent Calculator

To use the cotangent calculator, follow these steps:

  1. Enter the value of the angle in radians or degrees
  2. Select whether the input angle is in radians or degrees
  3. Click on the "Calculate" button to find the cotangent of the angle

The calculator will then display the result, which is the cotangent of the input angle.


Cotangent is a useful trigonometric function that is used to calculate angles, lengths, and other measurements in a wide range of applications. By understanding the formula for cotangent and using a cotangent calculator, you can quickly and easily solve complex problems involving right-angled triangles and angles.

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