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November 12th, 2013, 05:38 AM   #1
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Relationship between log and arcs

If there is a formula relating the exponential with sine and cosine normal and hyperbolic (exp (ix) = cos (x) + i sin (x), exp (x) = cosh (x) + sinh (x)), there is also a formula relating the logarithm with arcsin, arccos, and arcsinh arccosh?
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November 12th, 2013, 08:09 AM   #2
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Re: Relationship between log and arcs

Correct. See Logarithmic forms
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November 12th, 2013, 04:18 PM   #3
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Re: Relationship between log and arcs

YEAH!!!

I wrote this topic thinking these formulas!

But, what is the general expression that connects both the sine and the cosine with the logarithm!?
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