This article explains how to use the DEGREES() function or the PI formula to convert angle measurements from radians to degrees. Converting to degrees is necessary if you want to use one of Excel's built-in trigonometric functions to find the cosine, sine, or tangent of a right triangle.
How to Convert Excel 2007 from Radians to Degrees
The syntax of a function refers to the layout of the function and includes the function name, parentheses, and arguments.
The syntax for the DEGREES() function is:
The angle argument specifies the angle, in degrees, to convert to radians. Specify either a specific angle size (in radians) or a cell reference to the location where the angle size is located.