Also odd:

(1) -> normalize complexElementary(acos(cos(r))-r)

   (1)  - 2r

(2) -> normalize complexElementary(asin(sin(r))-r)

   (2)  0


On 24 September 2014 20:14, Bill Page <[email protected]> wrote:
> normalize seems to return an anomalous result for asin(sin(r))
>
> (1) -> normalize acos(cos(r))-r
>
>    (1)  0
>
> (2) -> normalize asin(sin(r))-r
>
>    (2)  - 2r
>
> (3) -> normalize acosh(cosh(r))-r
>
>    (3)  0
>
> (4) -> normalize asinh(sinh(r))-r
>
>    (4)  0
>
> (5) -> normalize atan(tan(r))-r
>
>    (5)  0
>
> (6) -> normalize atanh(tanh(r))-r
>
>    (6)  0

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