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Beliebt Trigonometrie >

cos(θ)= 3/10

Lösung

cos (θ) = \frac{3}{10}

Lösung

θ = 1.26610 \dots + 2 πn, θ = 2 π - 1.26610 \dots + 2 πn

+1

Grad

θ = 72.54239 \dots^{\circ} + 36 0^{\circ} n, θ = 287.45760 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (θ) = \frac{3}{10}

Wende die Eigenschaften der Trigonometrie an

cos (θ) = \frac{3}{10}

Allgemeine Lösung für

cos (θ) = \frac{3}{10}

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

θ = arccos (\frac{3}{10}) + 2 πn, θ = 2 π - arccos (\frac{3}{10}) + 2 πn

θ = arccos (\frac{3}{10}) + 2 πn, θ = 2 π - arccos (\frac{3}{10}) + 2 πn

Zeige Lösungen in Dezimalform

θ = 1.26610 \dots + 2 πn, θ = 2 π - 1.26610 \dots + 2 πn

Graph

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