abbreviation. cosine

noun. undefined

noun. See coss.

noun. An abbreviation of cosine.

noun. A kind of lettuce, suited for being grown out of doors in summer, usually forming long heads or rosettes.

noun. a symbol of the trigonometric function cosine.

noun. A variety of lettuce with long, crisp leaves.

conjunction. because

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

noun. lettuce with long dark-green leaves in a loosely packed elongated head

"You know for example, that: sin (4x) = 2sin (2x) cos (2x) sin (2x) = 2sin (x) cos (x) cos (2x) = cos² (x) - sin² (x), etc ..."

Wikipedia article on Cos  Wikipedia article on cosine  

circular function  lettuce  trigonometric function  

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