cos 60°
cos 60° is 1/2 or 0.5.
cos 60° is a trigonometric function that represents the ratio between the adjacent side of a 60-degree angle and its hypotenuse in a right triangle.
To find the value of cos 60°, we need to recall the special right triangle known as the 30-60-90 triangle. In this triangle, one of the acute angles measures 60 degrees, and the sides have a specific ratio of 1:sqrt(3):2.
In particular, the cosine of 60° is equal to the adjacent side (which has length 1) divided by the hypotenuse (which has length 2). Therefore, we have:
cos 60° = adjacent side / hypotenuse = 1/2
Hence, the value of cos 60° is 1/2 or 0.5.
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