M4 - 3. Trigonometrie Flashcards

1
Q

Berechnung sin x =

A

Gegenkathete / Hypotenuse

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2
Q

Berechnung cos x =

A

Ankathete / Hypotenuse

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3
Q

Berechnung tan x =

A

sin x / cos x = Gegenkathete / Ankathete

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4
Q

Einheitskreis cos =

A

x-Koordinate

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5
Q

Einheitskreis sin zeigt an=

A

y-Koordinate

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6
Q

Vorzeichen Winkel zwischen 0 & 90 °

A

Beides positiv

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7
Q

Vorzeichen Winkel zwischen 90 & 180 °

A

X-Wert negativ, y-Wert positiv, cos negativ, sin positiv

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8
Q

Vorzeichen Winkel zwischen 180 & 270 °

A

Beides negativ

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9
Q

Vorzeichen Winkel zwischen 270 & 360 °

A

X-Wert positiv, y-Wert negativ, cos positiv, sin negativ

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10
Q

Einheitskreis Aufgaben runde Klammer bedeutet?

A

dass dieser Winkel nicht zum Intervall gehört

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11
Q

sin²(α)+cos²(α)=

A

1, da Hypotenuse

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12
Q

Winkel berechnen sin(x)=y

A

x = sin-1 y

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13
Q

Winkel berechnen cos(x)=y

A

x = cos-1 y

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14
Q

Winkel berechnen tan(x)=y

A

x = tan-1 y

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