# IMCOT function

The IMCOT function returns the cotangent of the given complex number. For example, a given complex number "x+yi" returns "cot(x+yi)."

## Parts of an IMCOT function

`IMCOT(number) `

 Part Description Notes `number` The complex number for which you want the cotangent. This can be either the result of the COMPLEX function, a real number interpreted as a complex number with imaginary parts equal to 0, or a string in the format “x+yi” where x and y are numeric.

## Sample formulas

`IMCOT(COMPLEX(4,6))`

`IMCOT(4)`

`IMCOT("2+3i")`

## Notes

The `IMCOT` function returns an error if the given number isn't a valid complex number.

## Examples

 A B 1 Formula Results 2 `=IMCOT(COMPLEX(4,1))` 0.253182007063936-0.928132757303418i 3 `=IMCOT(3.5)` 2.66961648496887 4 `=IMCOT("3+2i")` -0.0106047834703371-1.035746637765i

## Related functions

IMTAN: The IMTAN function returns the tangent of the given complex number.

IMCOTH: The IMCOTH function returns the hyperbolic cotangent of the given complex number.

COMPLEX: The COMPLEX function creates a complex number, given real and imaginary coefficients.

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