GeoGebra in de derde graad Verbetersleutels f x = + ) 3 ( ) 1.sin(2x + f x = ) 2 ( ) 4.sin(2x − + 2 ( ) 2,5.sin(4x + f x = − ) 1 3. − f x = ) 1 ( ) 0,5.sin(3x + 2 t e n . o l e h t a m . w w w © 2024 Ivan De Winne ivan@mathelo.net 11