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Eindexamens.NU - Het eindexamenforum :: Toon onderwerp - Wiskunde B 2010
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Wiskunde B 2010
https://forum.eindexamens.nu/viewtopic.php?f=7&t=10256
Pagina 2 van 4

Auteur:  Kastanjekaatje [ di mei 25, 2010 5:11 pm ]
Berichttitel:  Re: Wiskunde B 2010

@ Bart1992
Bedankt, nu snap ik het. Maar daar was ik zelf nooit opgekomen! :P

Auteur:  Deepblue [ di mei 25, 2010 5:13 pm ]
Berichttitel:  Re: Wiskunde B 2010


Auteur:  bart1992 [ di mei 25, 2010 5:16 pm ]
Berichttitel:  Re: Wiskunde B 2010


Auteur:  Huibertl [ di mei 25, 2010 5:17 pm ]
Berichttitel:  Re: Wiskunde B 2010

@bart1992
De omgekeerde stelling is niet bewezen, dus ik neem aan dat je die niet mag gebruiken.

Auteur:  Deepblue [ di mei 25, 2010 5:19 pm ]
Berichttitel:  Re: Wiskunde B 2010


Auteur:  michielb3 [ di mei 25, 2010 5:28 pm ]
Berichttitel:  Re: Wiskunde B 2010

Ik heb vraag 5 heel anders gedaan. Wel het goede antwoord.
Heb dit gedaan met de stelling van pythagoras.

L=8
Je hebt 5 ruiten, dus elke ruit is 8/5.
In deze ruit maak je een driehoek, met de lange rechte kant als lengte 8/10.
De schuinezijde is 1 (gegeven in de tekst).
Dan weet je 2 zijden en een rechte hoek (eigenschap van diagonalen van een ruit). Dan kun je de stelling van pythagoras toch gebruiken?

Of zal dit fout gerekend worden?

Auteur:  bart1992 [ di mei 25, 2010 5:44 pm ]
Berichttitel:  Re: Wiskunde B 2010


Auteur:  michielb3 [ di mei 25, 2010 5:54 pm ]
Berichttitel:  Re: Wiskunde B 2010

haha vond hem zo ook makkelijker.
probeerde eerst wel de l in te vullen en alfa er uit te krijgen maar dat lukte me niet helemaal.
Zou wel mooi zijn, 4 punten voor het gebruiken van de stelling van pythagroras :lol:

Auteur:  Ajax_4ever [ di mei 25, 2010 5:58 pm ]
Berichttitel:  Re: Wiskunde B 2010


Auteur:  Nstoffelsma [ di mei 25, 2010 6:06 pm ]
Berichttitel:  Re: Wiskunde B 2010

Wat was deze makkelijk zeg.

En bij vraag 5 was het vrij simpel:
l=10sin(1/2a)
8=10sin(1/2a)
4/5=sin(1/2a)
1/2a=sin^-1(4/5)

en:

b=6cos(1/2a)
b=6cos(sin^-1(4/5))
b= 6*0,6=3,6

Gewoon invullen op rekenmachine en hoppa.

Auteur:  jkabel [ di mei 25, 2010 6:08 pm ]
Berichttitel:  Re: Wiskunde B 2010

stoere nick:P

Auteur:  michielb3 [ di mei 25, 2010 6:15 pm ]
Berichttitel:  Re: Wiskunde B 2010


Auteur:  bart1992 [ di mei 25, 2010 6:15 pm ]
Berichttitel:  Re: Wiskunde B 2010


Auteur:  Whynotnow [ di mei 25, 2010 6:18 pm ]
Berichttitel:  Re: Wiskunde B 2010

'hoppa hoppa grote vriend, het moest exact.' als reactie op 'invullen op de rekenmachine en hoppa' kan ik goed om lachen :)

Auteur:  Linda1891 [ di mei 25, 2010 6:23 pm ]
Berichttitel:  Re: Wiskunde B 2010

Hmmm...

Iedereen hier schijnt het heel makkelijk gevonden te hebben, ik heb hier toch een andere mening over.

Ik geef meteen toe dat ik niet goed in wiskunde ben en ik had dan ook slechts 33 punten waarmee ik tussen de 3.5 - 5.5 uitkomt. Voor mijn doen nog redelijk goed en genoeg om met een 5 te slagen. Maar ik vond het dus wel een lastig examen en kben benieuwd of er nog meer mensen zijn die er zo over denken!

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