COS has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of COS in Governmental & Military.
Bc is a popular abbreviation of "because" that is used in text messages and on the web. It is typically seen when a person is explaining something and they have limited time and/or character space. Although the abbreviation is very popular, it should only be used in informal situations. It is similar to the _b/c_ abbreviation but is more common and requires less characters.
Governmental & MilitaryThe trigonometric function that is equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse is known as cosine.
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