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Radians are units of measure based on the value of 2 * PI. There are 6.283185307179586 radians in a 360º rotation.
- To convert from radians to degrees: degrees = radians * 180 / π = radians * 57.2958
- To convert from degrees to radians: radians = degrees * π / 180 = degrees * .017453
- For other formulas and a radian chart go to the following link: Radian WIKI
- A program can calculate PI for you using the ATN function: π = 4 * ATN(1#)