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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Radian
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INFOTEXT
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1992-09-02
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481b
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In mathematics, alternative unit to the
degree for measuring angles. It is the angle
at the centre of a circle when the centre is
joined to the two ends of an arc (part of the
circumference) equal in length to the radius
of the circle. There are 2`pi' (approximately
6.284) radians in a full circle (360 degrees
). One radian is approximately 57 degrees ,
and 1 degrees is `pi'/180 or approximately
0.0175 radians. Radians are commonly used to
specify angles in polar coordinates.