FAQ

Last updated:July 8, 2026

This FAQ covers 3 common issue types for COTH, including parameter errors, unexpected results, and repeated formula fill.

FAQ

What should I do if COTH returns #VALUE!?

  1. Check whether the parameter type is correct and make sure the numeric input does not include text or extra spaces.
  2. If needed, clean the original data with CLEAN and TRIM.
  3. Re-enter or confirm the formula, then check the result again.

Why is the COTH result different from what I expected?

  1. Check whether the cell reference is correct and make sure the formula points to the intended cell.
  2. Confirm that the related cells are formatted as numbers instead of text.
  3. If needed, continue troubleshooting with formula checking tools on the Formula tab.

How can I use COTH in multiple cells?

  1. Enter the COTH formula in the first cell and confirm the result.
  2. Select that cell, then drag the fill handle across the target range, or copy and paste the formula into other cells.
  3. If you need fixed references, use $ to lock the row or column before filling.

Glossary

TermDefinition
COTHA spreadsheet function that returns the hyperbolic cotangent value.
Function argumentsThe values or references that a function uses during calculation.
Formula barThe area used to view, enter, and edit formulas for the selected cell.
Fill handleThe small square at the lower-right corner of a selected cell, used to copy formulas or extend patterns.