Question

What is ment by cosines.....?

Answer 1

Answer:

In a right angled triangle, the cosine of an angle is: The length of the adjacent side divided by the length of the hypotenuse. The abbreviation is cos. cos(θ) = adjacent / hypotenuse. Well Done!

Explanation:

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Answer 2

(in a right triangle) the ratio of the side adjacent to a given angle to the hypotenuse.