1. cosine

noun. ratio of the adjacent side to the hypotenuse of a right-angled triangle.


  • cos
  • trigonometric function

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Sentences with cosine

1. Noun, singular or mass
Use the law of cosine with the discovered angle and the length of the building's shadow to solve for the height of the building.

2. Adjective
The displacement of a particle performing a periodic motion can be expressed in terms of sine and cosine functions.