[Libreoffice-bugs] [Bug 132508] New: Libre calc - The COS function seems not to give the right result

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=132508

            Bug ID: 132508
           Summary: Libre calc - The COS function seems not to give the
                    right result
           Product: LibreOffice
           Version: 5.1.6.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: momo777 at mailfence.com

Description:
I applied to some cells the COS and even SIN function (i do no try other
trigonometric function) and i was surprised by the outputs ! Very annoying !!! 
So I'm wondering if there is something I'm missing that any of you would care
to fill in for me ?
I noticed that on two different distros ! 

Steps to Reproduce:
1.Choose a cell
2.type i;e; "=COS(180)" or "=COS(any cell filled by a number)"
3.Enter

Actual Results:
-0,5984600691


Expected Results:
-1


Reproducible: Always


User Profile Reset: No



Additional Info:
Is that happened only on my machine, or someone can confirm that's a bug ?
Thanks.
I've just tried SIN and it seems the same thing as COS !

Version: 5.1.6.2
Build ID: 1:5.1.6~rc2-0ubuntu1~xenial10
Threads CPU : 8; Version de l'OS :Linux 4.4; UI Render : par défaut; 
Locale : fr-FR (fr_FR.UTF-8); Calc: group

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