The unit circle reveals three fundamental trigonometric functions: sine tracks the Y coordinate, cosine tracks the X coordinate, and tangent represents the ratio of sine to cosine, which reaches infinity at quarter turns (90° and 270°).
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The Trigonometry Trio: Sin, Cos & Tan UnwrappedHinzugefügt:
The unit circle reveals sine, cosine, and tangent waves.
Sine tracks the Y coordinate.
Cosine tracks the X coordinate.
Tangent, the ratio of the two, reaches infinity at the quarter turns.
Three functions from one circle.
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