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Given that cos(x)=0.28, what is cos(−x)?
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Given that cos(x)=0.28, what is cos(−x)?

User MrRed
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1 Answer

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Explanation:

If cos(x) = 0.28, then we know that cos(-x) = cos(x) because cosine is an even function. Therefore, cos(-x) = cos(x) = 0.28.

User Alex Suo
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