Wiskunde Flashcards

1
Q

Formule sin α en cos α ?

A

Sin² α +Cos² α =1

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2
Q

Formule tan α?

A

Tan a =Sin α : Cos α

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3
Q

Formule cot α ?

A

Cot α =1:tan α

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4
Q

g: y= 2x

A

Verschraling met factor 2.

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5
Q

h: y= x+3

A

Verschuiving met 3 eenheden naar boven.

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6
Q

p: y= -x

A

Spiegeling.

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7
Q

Formule Tweedegraads fie

A

y= a (x-p)+q

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8
Q

Top

A

T(p,q)

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9
Q

Nulwaarde zonder abc

A

Gewoon uitrekenen

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10
Q

Nulwaarde met abc

A

Uitrekenen met discriminant …

Meestal parabool -> x²

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11
Q

Symmetrie-ass

A

S: x= snijding met x-ass

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12
Q

Formule goniometrische driehoeken

A

α= grade + aantal draaien . 360 (€ R)

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13
Q

Formule gemiddelde

A

_
X= (m.afi): n

n=aantal geg.

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14
Q

Formule mediaan

A

Me= xi van middelste getallen van cafi

Cafi zelfde als afci

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15
Q

Formule modus

A

Mo= xi van grootste afi

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