On 3 , 22:07, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: > > angle is a ratio of two length and > dimensionless.http://en.wikipedia.org/wiki/Angle#Units_of_measure_for_angles > > only dimensionless values can be a argument of a sine and exponent! > Are you discordant?
if you are discordant read more :P : sine is a dimensionless value. if we expand sine in taylor series sin(x) = x - (x^3)/6 + (x^5)/120 etc. you can see that sin can be dimensionless only if x is dimensionless too. I am a professional physicist and a know about what I talk -- http://mail.python.org/mailman/listinfo/python-list
