What is the reference angle of 540 Degrees in Radians? What is the reference angle of -180 Degrees in Radians? Thanks,
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Originally Posted by qbkr21 What is the reference angle of 540 Degrees in Radians? What is the reference angle of -180 Degrees in Radians? Thanks, I don't know what you mean by reference angle, but you convert A degrees from degrees to radians by: Arad = A*pi/180. So 540 degrees = 3*pi radian, and -180 degrees = -pi radian. Which are in fact the same angle (pi radian) RonL
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