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.
Keywords
circles, cot, tangent, degrees, Degree, Sine, Tan, analytic geometry, trigonometry, ratio, quadrants, radian, radians, trig ratios, trig, sin, cos, cosine, sec, csc, special angles, secant, coordinate plane, unit circle, radius of 1, trigonometric functions, quadrantal angles, cosecant, cotangent, 45°Galleries
Unit CirclesSource
Florida Center for Instructional Technology Clipart ETC (Tampa: University of South Florida, 2007)
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