The Excel RADIANS function converts degrees to radians. For example, =RADIANS(180) returns 3.1415 (the value of Pi).
Converts degrees into radians
angle - Angle in degrees to convert to radians.
The RADIANS function takes an angle in degrees and converts it to radians. Radians measure angles using the radius of a circle. A radian is equal to the amount of rotation required to travel one radius along the circumference of the circle, as seen in the image below:
The Excel PI function returns the value of pi. For example, the formula =2*PI() * 3 returns the circumference of a circle with a radius of 3.
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