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Beliebt Trigonometrie >

cos(x)=sqrt(2/3)

Lösung

cos (x) = \frac{2}{3}

Lösung

x = 0.61547 \dots + 2 πn, x = 2 π - 0.61547 \dots + 2 πn

+1

Grad

x = 35.26438 \dots^{\circ} + 36 0^{\circ} n, x = 324.73561 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (x) = \frac{2}{3}

Wende die Eigenschaften der Trigonometrie an

cos (x) = \frac{2}{3}

Allgemeine Lösung für

cos (x) = \frac{2}{3}

cos (x) = a \Rightarrow x = arccos (a) + 2 πn, x = 2 π - arccos (a) + 2 πn

x = arccos (\frac{2}{3}) + 2 πn, x = 2 π - arccos (\frac{2}{3}) + 2 πn

x = arccos (\frac{2}{3}) + 2 πn, x = 2 π - arccos (\frac{2}{3}) + 2 πn

Zeige Lösungen in Dezimalform

x = 0.61547 \dots + 2 πn, x = 2 π - 0.61547 \dots + 2 πn

Graph

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