trigonometric identity

English

Noun

trigonometric identity (plural trigonometric identities)

1. (mathematics, trigonometry) A trigonometric equation that is true for all values of the input variable for which both sides of the equation are defined.

   The trigonometric identity sin(2x) = 2sin(x)cos(x).

Derived terms

• Pythagorean trigonometric identity

 

Translations

Translations

• Finnish: trigonometrinen identiteetti
• French: identité trigonométrique f
• Polish: tożsamość trygonometryczna f