Re: trig. formula Question

On 11 Jan 2006 14:45:07 -0800, incon wrote:
> HI I have looked everywhere I can and I cannot find the formula for the
> trigonomic functions
> Cosine
> Sine
> Tangent
> Inverted Cosine
> Inverted Sine
> Inverted Tangent
> I can do these on a calculator any day but I couldn't do them with out
> one.
> I figured you guys would know seeing as seems you all are a bunch of
> math guros.
> Thanks

The "formulas" are transcendental and may not be of much help to you, but:

sin(x) = (e^(i*x) - e^(-i*x)) / (2*i) = x - x^3/3! + x^5/5! - x^7/7! + ...
cos(x) = (e^(i*x) + e^(-i*x)) / 2 = 1 - x^2/2! + x^4/4! - x^6/6! + ...
tan(x) = sin(x) / cos(x)

and the other 3 are just the inverses of those.


--
Dave Seaman
U.S. Court of Appeals to review three issues
concerning case of Mumia Abu-Jamal.
<http://www.mumia2000.org/>
.