Unit Circle Marked At Special Angles

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Description

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

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)