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Beliebt Trigonometrie >

cos(a)=(sqrt(5))/5

Lösung

cos (a) = \frac{5}{5}

Lösung

a = 1.10714 \dots + 2 πn, a = 2 π - 1.10714 \dots + 2 πn

+1

Grad

a = 63.43494 \dots^{\circ} + 36 0^{\circ} n, a = 296.56505 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (a) = \frac{5}{5}

Wende die Eigenschaften der Trigonometrie an

cos (a) = \frac{5}{5}

Allgemeine Lösung für

cos (a) = \frac{5}{5}

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

a = arccos (\frac{5}{5}) + 2 πn, a = 2 π - arccos (\frac{5}{5}) + 2 πn

a = arccos (\frac{5}{5}) + 2 πn, a = 2 π - arccos (\frac{5}{5}) + 2 πn

Zeige Lösungen in Dezimalform

a = 1.10714 \dots + 2 πn, a = 2 π - 1.10714 \dots + 2 πn

Graph

Beliebte Beispiele

5sec^2(x)-5=0,0<= x<2pi

5 sec^{2} (x) - 5 = 0, 0 \leq x < 2 π

2 sin (5 x) + 3 = 2

5sin(y)-5=3sin(y)-4

5 sin (y) - 5 = 3 sin (y) - 4

2cos^2(x)+3cos(x)-3=0

2 cos^{2} (x) + 3 cos (x) - 3 = 0

3sin(x)-5cos(x)=0

3 sin (x) - 5 cos (x) = 0