What is the unit circle?

The unit circle is a circle with radius 1 centered at the origin of a coordinate plane. It's used to define trigonometric functions and find exact values for common angles.

How do you convert between degrees and radians?

To convert degrees to radians, multiply by π/180. To convert radians to degrees, multiply by 180/π. For example, 90° = π/2 radians.

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Home › Unit Circle Calculator

Unit Circle Calculator

Unit Type

Degrees Radians

Angle Value

Common Angles

Trigonometric Values

Sine (sin θ)

0.7071

Cosine (cos θ)

0.7071

Tangent (tan θ)

1.0000

Coordinates (x, y)

(0.707, 0.707)

Reference Angle

45.0°

Quadrant

Unit Circle Visualization

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