Re: cos

[Doug Stewart]

On Wed, Oct 28, 2015 at 9:28 PM, Jonathan Camilleri <address@hidden> wrote:

cos(1) returns 0.54030

My calculator Casio fx-100D returns cos(1) as 0.999847695.

Octave is using radians   the calculator is in Deg. mode

 

Using Octave 4.0.0/Win8.1.

I am not sure whether to post this as a bug to http://savannah.gnu.org/bugs/?group=octave, as I still have not identified the mathematical roots of cosine.

Casio Headquarters are in Shibuqa, Tokyo Japan.

Further reading

1. https://en.wikipedia.org/wiki/Trigonometric_functions

Thanks and regards,

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Jonathan Camilleri

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DAS