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Alex73 [517]
3 years ago
6

Does anyone know the answer to this ? I need help!

Mathematics
1 answer:
ivanzaharov [21]3 years ago
4 0
The answer is
“Yes i do know the answer”

Im jp
Its
9h+12
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Using the fact that cos is 2π-periodic, we have

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That is, \cos(\theta+2n\pi)=\cos\theta for any \theta and integer n.

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