Find the value of cos (2pie/3)

Ian Rodrigues asked Sep 6, 2023

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Ian Rodrigues asked Sep 6, 2023

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14 votes

Answer:

-1/2 or - 0.5

Explanation:

$cos ((2\pi )/(3)) = cos 120^(o) = -(1)/(2)$

Sergey Tsibel answered Sep 10, 2023

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