FAQ

Last updated:July 8, 2026

This FAQ answers 3 common questions about COS in WPS Spreadsheet on Windows, including formula errors, unexpected results, and filling the formula across multiple cells.

FAQ

Why does COS return #VALUE! in WPS Spreadsheet?

  1. Check whether the parameter contains text, extra spaces, or another non-numeric value.
  2. If the value was pasted from another source, clear the cell and enter the number again.
  3. Re-enter the COS formula and confirm whether the result returns normally.

Why does the COS result look different from what I expected?

  1. Check whether the referenced cell or typed parameter is correct.
  2. Confirm that the related cell is stored as a number instead of text.
  3. Review the formula step by step if you need to verify the calculation setup.

How do I use COS in multiple cells?

  1. Enter the COS formula in the first target cell and confirm the result.
  2. Drag the fill handle to extend the formula to other cells, or copy and paste the formula.
  3. Check whether relative or absolute references match your intended worksheet setup.

Glossary

TermMeaning
COSA trigonometric spreadsheet function that returns the cosine of a given number.
Insert FunctionThe function selection entry in WPS Spreadsheet for searching and inserting a function.
Function parameterThe value inside the function parentheses that determines the calculation result.
Formula barThe input area above the worksheet where you can view and edit formulas.