+**Sine** is a fundamental [Trigonometry](/wiki/trigonometry) function, describing the ratio of the opposite side to the hypotenuse in a [Right Triangle](/wiki/right_triangle). It elegantly maps angles to points on a unit circle, revealing the rhythmic nature of waves and oscillations.
+## See also
+- [Cosine](/wiki/cosine)
+- [Tangent](/wiki/tangent)
+- [Wave](/wiki/wave)
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