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📐 Trigonometry Tool

Unit Circle

Trig Calculator

Triangle Solver

Reference Table

Identities

Interactive Unit Circle

Click or drag on the circle to explore angles. Or type an angle below.

Angle (degrees)

Angle (radians)

Value

Unit

Function

Value (between -1 and 1 for sin/cos)

Enter any 3 values (at least one must be a side). Leave unknowns blank. Angles in degrees.

Side a

Side b

Side c

Angle A (°)

Angle B (°)

Angle C (°)