Proprietes Formules Flashcards

(11 cards)

1
Q

x et -x, symétriques par rapport à (OI)

A

Cos (-x) = cos (x)
Sin (-x) = - Sin (x)

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2
Q

x et x + ||, symétriques par rapport à 0

A

Cos (x + ||) = - cos (x)
Sin (x + ||) = - sin (x)

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3
Q

x et || - x, symétriques par rapport à (OJ)

A

Cos (||- x) = - cos (x)
Sin (||- x) = sin (x)

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4
Q

x et (|| / 2 - x), symétriques par rapport à la droite d’équation y=x

A

Cos (|| / 2 - x) = sin (x)
Sin (|| / 2 - x) = cos (x)

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5
Q

En remplaçant x par -x

A

Cos ( || / 2 + x) = - sin (x)
Sin (|| / 2 + x) = cos (x)

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6
Q

Cosinus (axe)

A

Abscisses

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7
Q

Sinus (axe)

A

Ordonnées

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8
Q

Encadrement cos x

A

-1 =< cos x <= 1

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9
Q

Encadrement sin x

A

-1 =< sin x =< 1

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10
Q

Sin x

A

Sin (x + k x 2||)

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11
Q

1

A

Cos2 x + sin2 x

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