Unit Circle Marked At Special Angles

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Illustration of a unit circle (circle with a radius of 1) superimposed on the coordinate plane. All quadrantal angles and angles that have reference angles of 30°, 45°, and 60° are marked from the origin, but no values are given.


Unit Circles


Florida Center for Instructional Technology Clipart ETC (Tampa: University of South Florida, 2007)


EPS (vector)

355.6 KiB

TIFF (full resolution)

3017×3000, 218.2 KiB

Large GIF

1024×1018, 28.3 KiB

Medium GIF

640×636, 16.0 KiB

Small GIF

320×318, 7.2 KiB