Q:

What is cot x equal to?

A:

Quick Answer

"Cot" is the abbreviation for "cotangent," a trigonometric function used to find the value of an angle in a right triangle by dividing the length of an adjacent side by the length of the opposite side. The numerical value of cot x varies depending on the value of x.

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Full Answer

The cotangent of x can also be expressed as one over the tangent of x, or as the cosine of x divided by the sine of x. Using cofunction identities, the cotangent of x can also be expressed as the tangent of pi over two minus x when x is in radians. When x is in degrees, the cotangent can be expressed as the tangent of 90 degrees minus x. Based on periodicity identities, the contangent of x can be written as the sine of x plus 180 degrees.

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