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Assenyala les afirmacions que són certes:
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A les activitats de l'apartat Raons Trigonomètriques 2 del material pots comprovar aquestes i altres igualtats a partir de la representació de les raons trigonomètriques a la circumferència goniomètrica.
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Algorithm
Choice 1
Answer
sin(-x)=sin(x)
Grade
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Feedback
En la gràfica següent s'assenyala la imatge d'un valor i del seu oposat per a la funció sinus: <br />#p<br />
Choice 2
Answer
sin(-x)=-sin(x)
Grade
None
100%
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83.33333%
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66.66667%
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Feedback
Efectivament, aquesta funció té una simetria central amb centre a l'origen de coordenades<br />#p<br />
Choice 3
Answer
cos(-x)=cos(x)
Grade
None
100%
90%
83.33333%
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66.66667%
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33.33333%
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16.66667%
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Feedback
Efectivament, aquesta funció és simètrica respecte l'eix d'ordenades<br />#q<br />
Choice 4
Answer
cos(-x)=-cosx
Grade
None
100%
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83.33333%
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66.66667%
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Feedback
En la gràfica següent s'assenyala la imatge d'un valor i del seu oposat per a la funció cosinus:<br />#q<br />
Choice 5
Answer
Grade
None
100%
90%
83.33333%
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66.66667%
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Feedback
Choice 6
Answer
Grade
None
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83.33333%
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66.66667%
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33.33333%
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Feedback
Choice 7
Answer
Grade
None
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83.33333%
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70%
66.66667%
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33.33333%
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16.66667%
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Feedback
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100%
50%
33.33333%
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0%
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Created / last saved
Created
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Admin User
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Wednesday, 12 June 2013, 1:04 PM
Last saved
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Admin User
on
Wednesday, 12 June 2013, 1:04 PM
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