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Find the value of the trigonometric function. If possible, give the exact value; otherwise, use a calculator to find an approximate value correct to five decimal places. cos π/3

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Final answer:

The value of cos(pi/3) is 1/2.

Step-by-step explanation:

In trigonometry, the cosine function relates the lengths of the adjacent side to the hypotenuse in a right triangle. To find the value of cos(pi/3), we can use the exact value of cosine for this angle.

Since pi/3 is the same as 60 degrees, we know that cos(pi/3) is equal to 1/2. Therefore, the value of cos(pi/3) is 1/2.

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