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Unit Circle Explorer

Explore sine, cosine, and tangent values on the unit circle.
Input Values
°

Enter any angle — finds (cos θ, sin θ) on the unit circle.

Unit Circle
90° 180° 270° 225° ref: 45°
(cos θ, sin θ) shown on circle
Learn the concept
The Unit Circle (Foundations)
Explore the bridge between triangles and circles — the unit circle is the secret to understanding trigonometry beyond 90 degrees.
Read lesson →

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