How to Use the COS Function in WPS on Windows

Last updated:July 15, 2026

Use the COS function through 3 how-to topics, with 3 available without membership and 0 membership-related items, including dialog-based insertion, direct formula entry, and syntax review.

How-to Index

How-to Guide

1. Insert COS from the Insert Function dialog

Entry: Formula tab → Insert Function

  1. Select the cell where you want to enter the formula.
  2. Click the fx button in the formula bar, or click Insert Function on the Formula tab.
  3. Search for COS in the dialog box.
  4. Select the function and click OK.
  5. Enter the required parameter in the Function Arguments dialog.
  6. Click OK to finish.

Success Criteria

  • The target cell contains a COS formula.
  • You can continue editing the parameter or copy the formula to other cells.

Tips While Using

  • If the parameter is not confirmed correctly, the result may not match your expectation.
  • Make sure the worksheet is open in WPS Spreadsheet before you start.

2. Type the COS formula directly in a cell

Entry: Cell or formula bar

  1. Select the target cell.
  2. Type =COS(...) in the cell or in the formula bar.
  3. Press Enter to confirm the formula.
  4. If needed, type =COS( and review the on-screen prompt.

Success Criteria

  • The cell shows a calculation result and the formula bar keeps the full formula.
  • You can fill the formula into more cells with the fill handle.

Tips While Using

  • Incorrect parentheses or parameter formatting can affect the result.

3. Check COS syntax and parameter details

Entry: Formula tab → Insert Function

  1. Click Insert Function on the Formula tab.
  2. Search for COS.
  3. Select the function and review the syntax COS(number).
  4. Open the related help entry if you need more details.

Success Criteria

  • The function name, syntax, and parameter details are visible.
  • You can return to the worksheet and continue editing the formula.

Tips While Using

  • Do not type the syntax label itself as fixed text in the formula.