Unit Circle Labeled At Special Angles

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Description

Illustration of a unit circle (circle with a radius of 1) superimposed on the coordinate plane with the x- and y-axes indicated. All quadrantal angles and angles that have reference angles of 30°, 45°, and 60° are given in radian measure in terms of pi.

Keywords

45°, analytic geometry, circles, coordinate plane, cos, cosecant, cosine, cot, cotangent, csc, Degree, degrees, quadrantal angles, quadrants, radian, radians, radius of 1, ratio, sec, secant, sin, Sine, special angles, Tan, tangent, trig, trig ratios, trigonometric functions, trigonometry, unit circle

Galleries

Unit Circles

Source:

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