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Find the Exact Value of an Angle
Determine the exact angle
of the blue arc,
.
Some points on the circle are marked that have an integer radian measure. Recall that adding any multiple of
to an angle measure yields the same point on the unit circle. Red lines highlight a symmetry that may help determine the blue angle.
Contributed by:
Izidor Hafner
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PERMANENT CITATION
Izidor Hafner
"
Find the Exact Value of an Angle
"
http://demonstrations.wolfram.com/FindTheExactValueOfAnAngle/
Wolfram Demonstrations Project
Published: November 17, 2011
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