Mathematik
4678584 / 5565366
Kosinus
Flächensätze V
Der Kosinus ist das Verhältnis der Länge der Ankathete zur Hypotenuse. Er ist gleichzeitig die Erweiterung des Satzes des Pythagoras um den Korrekturterm - 2 * b* c* cos α, also a2=b2+c2- 2 * b* c* cos α. Damit können Kräfteverhältnisse ebenso wie Entfernungen zweier sich auseinander bewegender Gegenstände errechnet und dargestellt werden. Der Film schließt die Reihe der Mathematikfilme zu den Flächensätzen ab und folgt dabei dem bewährten Aufbau seiner vier Vorgänger: In einem ersten Teil wird der Kosinussatz in zahlreichen unterhaltsamen Grafiken und Animationen hergeleitet, der zweite Teil vertieft und erweitert das Wissen in animierten Aufgaben, die in ihrer Komplexität ansteigend angeordnet sind. In Verbindung mit dem umfangreichen Zusatzmaterial (klassische und interaktive Arbeitsblätter, Testfragen, Glossar) lässt sich die vorliegende DVD hervorragend im Unterricht einsetzen.
Trailer abspielen
- <> Sprachen : DE
- <>Zielgruppen : Sek I
- <> Fach : Mathematik
- <> Spieldauer : 27:20 min
- In Lehrmediathek ansehen
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