Final answer:
The value of cos 60° is 0.5. It can be found using the unit circle or the cosine function.
Step-by-step explanation:
The cos 60° is equal to 0.5.
To find the value of cos 60°, we can use the unit circle or the cosine function.
Using the unit circle, we find that at 60°, the x-coordinate of the point on the unit circle is 0.5.
This corresponds to the value of cosine.
Using the cosine function, we can directly evaluate cos 60°. In degrees, the cosine of an angle equals the adjacent side length divided by the hypotenuse length in a right triangle.
For a 60° angle in a right triangle with sides of length 1, the adjacent side length is 0.5 and the hypotenuse length is 1. Therefore, cos 60° is also 0.5.