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hyperbolic functions - set angle degrees
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From: Bastian M. <bma...@we...> - 2012-07-16 19:39:35
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<html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div>While looking into the complex hyperbolic functions, I noticed that asinh, acosh and atanh honour 'set angle degree' setting, while sinh, cosh and tanh do not. I know this is documented (see 'help set angles'). But I am curious if anybody remembers the rationale behind this. Is it because of relations like asinh(x) = -i asin(i x)?<br/></div><div> I have also tried out various pocket calculators and a few calculator programs, but none of them considered the deg/rad setting for the (inverse) hyperbolic functions.<br/></div><div><br/></div><div>Bastian<br/></div><div><br/></div></div></body></html> |
