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Evaluate cos(arccos((32pi)/3)) (I think I know how, just need someone to confirm)
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Ianfinity
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Feb26-12, 02:55 PM
P: 5
Evaluate cos(arccos((32pi)/3))
From my understanding, I need to subtract (32pi)/3 by pi until the answer falls within the domain of [-1, 1]. Is this the correct way to solve this problem?
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