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Beliebt Trigonometrie >

cos(x)= 280/2000

Lösung

cos (x) = \frac{280}{2000}

Lösung

x = 1.43033 \dots + 2 πn, x = 2 π - 1.43033 \dots + 2 πn

+1

Grad

x = 81.95215 \dots^{\circ} + 36 0^{\circ} n, x = 278.04784 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (x) = \frac{280}{2000}

Streiche die gemeinsamen Faktoren:

40

cos (x) = \frac{7}{50}

Wende die Eigenschaften der Trigonometrie an

cos (x) = \frac{7}{50}

Allgemeine Lösung für

cos (x) = \frac{7}{50}

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

x = arccos (\frac{7}{50}) + 2 πn, x = 2 π - arccos (\frac{7}{50}) + 2 πn

x = arccos (\frac{7}{50}) + 2 πn, x = 2 π - arccos (\frac{7}{50}) + 2 πn

Zeige Lösungen in Dezimalform

x = 1.43033 \dots + 2 πn, x = 2 π - 1.43033 \dots + 2 πn

Graph

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