Compatibility
Excel 2007 (Compatibility)
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=ACOT()
Returns the principal value of the arccotangent, or inverse cotangent, of a number.
Applies To:
Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for MacExcel 2021Excel 2021 for MacExcel 2019Excel 2016
=ACOT(number)
Hover argument names in the table for details.
Output typeNumber
Popularity25 / 100
VolatileNo
Dynamic ArrayNo
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◧ Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
number |
Number | Required | Number is the cotangent of the angle you want. This must be a real number. |
▣ Examples
Returns the arccotangent of 2, in radians (0.4636).
=ACOT(2)
Result:
0.4636
§ Remarks
- The returned angle is given in radians in the range 0 (zero) to pi.
- If Number is a non-numeric value, ACOT returns the #VALUE! error value.
- Use the DEGREES function or multiply by 180/PI() to convert the result from radians to degrees.
✦ Tips
- The returned angle is given in radians in the range 0 (zero) to pi.
- Use the DEGREES function or multiply by 180/PI() to convert the result from radians to degrees.
⚠ Common Errors
#VALUE!
If Number is a non-numeric value, ACOT returns the #VALUE! error value.
Fix: Enter a numeric value
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