cotan

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Shopping	The largest selection of COTAN products: USA, UK, Canada, Deutschland, France.
TV Shop	As seen on TV: beauty, diets, exercise, household, kitchen, personal, vitamins, and other popular TV-products.

cotan > noun, relation
Meaning	Ratio of the adjacent to the opposite side of a right-angled triangle.
Synonyms	cotangent
Broader	trigonometric function, circular function