cot is a short way to write 'cotangent' . This is the reciprocal of the trigonometric function 'tangent' or tan(x). Therefore, cot(x) can be simplified to 1/tan(x). Using trigonometric rules, an alternative way to write 1/tan(x) is cos(x)/sin(x).
The cotangent function, commonly abbreviated as cot, is a trigonometric function that relates the ratio of the adjacent and opposite sides of a right triangle. |
Cotangent. In a right triangle, the cotangent of an angle is the length of the adjacent side divided by the length of the opposite side. |
The cotangent of x is defined to be the cosine of x divided by the sine of x: cot x = cos x sin x . The secant of x is 1 divided by the cosine of x: sec x = 1. |
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