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Degrees or radians
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I rarely use GGB for simple trigonometric calculations, so I saw this just today: In GGB 6, if you enter "sin(3)" GGB interprets 3 as 3 degrees, but "sin(pi)" it interprets pi as radians. As "sin(3) in fact means sin(3 rad), this is a mathematical error. Pleeeease fix it! Pleeease!
Anders Karlsson
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Bonjour ,
Une chance que qu'on n'ait pas cette anomalie en version 5 car elle risquerait de ne jamais être corrigée .
Espérons qu'elle soit rapidement corrigée en version 6 .
Cordialement
I understand
But it is a very good pedagogic experimentation... It contributes to the development of critical thinking and favours open mindedness
First, students have to see that there is a problem with GeoGebra, and understand that : when it is a number (for example 30), it is degrees, and when it is a fraction of π, it is radians
and after that, they will never make the mistake in a mathematical exam (always write ° when degrees)
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