Assertion: trigonometric function's value | /r/DefinedAs | the chord
Facets:
value: originally
type: OTHER
Source sentences:
text: Origins of the Names of Trigonometric Functions Introduction: Originally, all six trigonometric values were defined by the lengths of the sides of the triangles, the chord, and the
text: Originally, all six trigonometric values were defined by the lengths of the sides of the triangles, the chord, and the secant as shown in the following unit circle diagram.