This FAQ covers 3 common question types about using COT in WPS: errors, unexpected results, and repeated use across cells, plus a glossary of related terms.
FAQ
What should I do if COT returns a #VALUE! error?
- Check whether the argument is a numeric value that can be calculated.
- Make sure the cell content does not include extra spaces or text characters.
- If needed, clean the source data and enter the COT formula again.
Why does the COT result look different from what I expected?
- Check whether the referenced cell or typed argument is correct.
- Confirm that the related cells are formatted as numbers rather than text.
- Use formula review tools on the Formulas tab to inspect the calculation step by step.
How can I use COT across multiple cells?
- Enter and confirm the COT formula in the first target cell.
- Select that cell, then drag the fill handle across the target range, or copy and paste the formula.
- Check whether relative and absolute references are set as intended, and use
$when you need to lock a reference.
Glossary
| Term | Definition |
|---|---|
| COT | A trigonometric spreadsheet function that returns a cotangent value for a given number. |
| Insert Function | The function entry point in WPS Spreadsheets for searching and inserting a function through a parameter dialog box. |
| Formula bar | The input area above the worksheet where you can view and edit cell content, including formulas. |
| Function argument | An input value passed to a function that affects the calculation result. |
| Fill handle | The small square at the lower-right corner of a selected cell that can copy formulas or fill adjacent cells. |