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What is the exact value of cos(5π3) ?

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What is the exact value of cos(5π3) ?

asked Jun 16, 2021 215k views

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What is the exact value of cos(5π3) ?

Mathematics
middle-school

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Answer:

Explanation:

$cos((5\pi )/(3)) =cos (\pi +(\pi )/(3) )=-cos (\pi )/(3) =-(1)/(2)$

Tahir answered Jun 20, 2021

by Tahir

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