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Beliebt Trigonometrie >

cos(x)=(sqrt(2))/4

Lösung

cos (x) = \frac{2}{4}

Lösung

x = 1.20942 \dots + 2 πn, x = 2 π - 1.20942 \dots + 2 πn

+1

Grad

x = 69.29518 \dots^{\circ} + 36 0^{\circ} n, x = 290.70481 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (x) = \frac{2}{4}

Wende die Eigenschaften der Trigonometrie an

cos (x) = \frac{2}{4}

Allgemeine Lösung für

cos (x) = \frac{2}{4}

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

x = arccos (\frac{2}{4}) + 2 πn, x = 2 π - arccos (\frac{2}{4}) + 2 πn

x = arccos (\frac{2}{4}) + 2 πn, x = 2 π - arccos (\frac{2}{4}) + 2 πn

Zeige Lösungen in Dezimalform

x = 1.20942 \dots + 2 πn, x = 2 π - 1.20942 \dots + 2 πn

Graph

Beliebte Beispiele

sin(x)-sin(x)*cos(x)=0

sin (x) - sin (x) \cdot cos (x) = 0

1-1tan^2(2x)=sec^2(2x)

1 - 1 tan^{2} (2 x) = sec^{2} (2 x)

10tan(θ)-4.9((10)/(13cos(θ)))^2=0

10 tan (θ) - 4.9 (\frac{10}{13 cos ( θ )})^{2} = 0

1-cos^2(θ)-6959cos(θ)=0

1 - cos^{2} (θ) - 6959 cos (θ) = 0

((0.87*1.04*sin(20-x))/(0.4))=0.05

(\frac{0.87 \cdot 1.04 \cdot sin ( 2 0 ^{\circ} - x )}{0.4}) = 0.05