(Cos 2pi/3 + is in 2pi/3)^3n=?
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ut it turns out that a more natural measure for angles, at least in mathematics, is in radians. An angle measured in radians is the ratio of the arc length of a circle subtended by that angle, divided by the radius of the circle. ... There are 2π radians in a full circle. (So 2π radians should equal 360°.
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