# Unit Circle Labeled At Quadrantal Angles

| View Cart ⇗ | Info

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 are given in radian measure in terms of pi.

### 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 Circles### Source

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

### Downloads

352.2 KiB

3017×3000, 136.9 KiB

1024×1018, 18.5 KiB

640×636, 10.4 KiB

320×318, 5.0 KiB