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Illustration of a unit circle (circle with a radius of 1) superimposed on the coordinate plane. The circle is divided into four quadrants by the x- and y- axes. The circle can be labeled and used to find the six trigonometric values (sin, cos, tan, cot, sec, csc, cot) at each of the quadrantal angles.
Keywordscircles, cot, tangent, Sine, Tan, analytic geometry, trigonometry, ratio, quadrants, trig ratios, trig, sin, cos, cosine, sec, csc, secant, coordinate plane, unit circle, radius of 1, trigonometric functions, quadrantal angles, cosecant, cotangent
Florida Center for Instructional Technology Clipart ETC (Tampa: University of South Florida, 2007)
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