Returns the cosine of the given angle.
Syntax
COS(number)
Number is the angle in radians for which you want the cosine.
Remark
If the angle is in degrees, multiply it by PI()/180 or use the COS function to convert it to radians.
Example
The example may be easier to understand if you copy it to a blank worksheet.
How?- Create a blank workbook or worksheet.
- Select the example in the Help topic. Do not select the row or column headers.
Selecting an example from Help
- Press CTRL+C.
- In the worksheet, select cell A1, and press CTRL+V.
- To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Tools menu, point to Formula Auditing, and then click Formula Auditing Mode.
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