Re: sin x / x tends to 1...




bill wrote:
> I just thought of something!
>
> sinx = x - (x^3)/(3!) + ... regardless of what units x is measured
> in; ie, radians, grads, degrees, etc.

WRONG! The derivative of sin(x) is cos(x) only if you measure x in
radians. If you measure it in degrees, then the derivative of Sin(x) is
pi/180*Cos(x).

--- Christopher Heckman

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