COS

MS Excel Spreadsheet

See Also

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 spreadsheet.

ShowHow?

Formula Description (Result)
=COS(1.047) Cosine of 1.047 radians (0.500171)
=COS(60*PI()/180) Cosine of 60 degrees (0.5)
=COS(RADIANS(60)) Cosine of 60 degrees (0.5)