subexpressions (OT: math)
__peter__ at web.de
Mon Jun 4 11:43:19 CEST 2007
Stebanoid at gmail.com wrote:
> sine is a dimensionless value.
> if we expand sine in taylor series sin(x) = x - (x^3)/6 + (x^5)/120
> you can see that sin can be dimensionless only if x is dimensionless
With y = x^2 = 1/3 pi^2 - 4(cos x - cos(2x)/2^2 + cos(3x)/3^2 - ...)
area is dimensionless, too, I suppose.
> I am a professional physicist and a know about what I talk
Then you can kindly point me to the flaw in that logic :-)
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