subexpressions (OT: math)
wildemar at freakmail.de
Mon Jun 4 08:35:24 CEST 2007
Gary Herron wrote:
>> The radian is defined as the ratio of an arc of circumfence of a circle
>> to the radius of the circle and is therefore *dimensionless*. End of story.
>> http://en.wikipedia.org/wiki/Radian and esp.
> The arguments to sine and cosine must have an associated unit so you
> know whether to interpret sin(1.2) as sine of an angle measured in
> degrees or radians (or whatever else).
Yes, I think we can all agree on that.
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