Cotangent Calculator (cot)

cot(45°) = 1.000

Understanding Cotangent

What is Cotangent?

The cotangent (cot) is a trigonometric function defined as the reciprocal of tangent. In a right triangle, it represents the ratio of the adjacent side to the opposite side of an angle.

Adjacent Opposite α

Formula

cot(α) = adjacent/opposite = 1/tan(α)