[EMAIL PROTECTED] wrote:
<snip>
Umm... the mathematical inverse of cosine is secant, i.e., cos x = 1/(sec x). Likewise, the mathematical inverse of sine is cosecant, and of tangent, cotangent. Arc <trig> x has, to my knowledge, always been "the angle who's <trig> is x"
(I think) he meant that arccos is the _inverse function_ to cos like:
x = arccos ( cos(x))
-- mats
--Tom Pellitieri Toledo, Ohio ------- u2-users mailing list u2-users@listserver.u2ug.org To unsubscribe please visit http://listserver.u2ug.org/
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