Trigonometric function

noun

Definitions

Noun
  1. 1
    Any function of an angle expressible as the ratio of two of the sides of a right triangle that has that angle (e.g., sine), or that subtracts 1 from such a ratio or subtracts such a ratio from 1 (e.g., coversed sine).
  2. 2
    function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle wordnet

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