Other Definitions cotangent (dict)
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CotangentTrigonometry In trigonometry, the cotangent is a function (see trigonometric function) defined as: -
or -
An interpretation of the cotangent of an angle x is as follows. In a right triangle with one angle equal to x, cot x is the ratio of the length of the leg adjacent to the angle x to the leg opposite the angle x. Derivative The derivative of the cotangent is: -
where csc is the cosecant. See also External link * MathWorld: Cotangent
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