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Cosine

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Table of contents
1 Noun
2 Related Terms
3 See Also

3.1 Translations

Noun

cosine

  1. (trigonometry) The ratio of the adjacent leg to the hypotenuse of a right triangle with the given acute angle.
  2. (mathematics) The x coordinate of the point on the unit circle at the given counterclockwise angle from the x axis.
  3. (mathematics) The sum of the real or complex power series
<math>\sum_0^\infty{{(-1)^{n}}\over{(2n)!}}x^{2n}<math>

Related Terms

See Also

Translations

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WordNet Definitions

The noun "cosine" has one sense:

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