Function cot() calculates the cotangent value of a radian.

Arguments：

• Radian <number>

Returns：

• Cotangent <number>

Common Usage

Example: Calculate the cotangent value of the radian 45°

return cot(45 * pi() / 180)

Example: Calculate the cotangent values of a column of radians

uncollect [1, 2.5, 3] as a
return cot(a)