For example, given “3+4i” as input, the function returns “-0.000187588-1.000644392i” as output.
In Excel, the cotangent of a complex number is equivalent to the following formula.
The cotangent is the reciprocal of thecomplex tangent function.
Related functions
IMTAN Function
The Excel IMTAN function returns the tangent of a complex number.
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IMCOS Function
The Excel IMCOS function returns the cosine of a complex number.
IMSIN Function
The Excel IMSIN function returns the sine of a complex number.
COMPLEX Function
The Excel COMPLEX function returns the string representation of a complex number.
