SOLVED:cosh(πi)=cos(i(πi))=cos(-π)=cosπ=-1
Hyperbolic Functions
Hyperbolic functions - Wikipedia
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SOLVED:cosh(πi)=cos(i(πi))=cos(-π)=cosπ=-1
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Hyperbolic functions - Wikipedia
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Hyperbolic functions - Wikipedia
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Hyperbolic functions - Wikipedia
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Hyperbolic functions - Wikipedia
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