Unit Circle Visualizer

Master trigonometry by exploring how the unit circle relates to sine, cosine, and tangent graphs in real-time.
Angle (θ)
45.0°
Value0.707
QuadrantQ1
Ref. Angle
45.0°
Manual Control (θ)
45.0°
Quick Angles
Drag inside the circle to rotate manually. Watch how the vertical height of the circle ($y$) maps perfectly to the wave.
Unit Circle
Graph y=sin(θ)
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