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Beliebt Trigonometrie >

cos(x)= 7/8

Lösung

cos (x) = \frac{7}{8}

Lösung

x = 0.50536 \dots + 2 πn, x = 2 π - 0.50536 \dots + 2 πn

+1

Grad

x = 28.95502 \dots^{\circ} + 36 0^{\circ} n, x = 331.04497 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (x) = \frac{7}{8}

Wende die Eigenschaften der Trigonometrie an

cos (x) = \frac{7}{8}

Allgemeine Lösung für

cos (x) = \frac{7}{8}

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

x = arccos (\frac{7}{8}) + 2 πn, x = 2 π - arccos (\frac{7}{8}) + 2 πn

x = arccos (\frac{7}{8}) + 2 πn, x = 2 π - arccos (\frac{7}{8}) + 2 πn

Zeige Lösungen in Dezimalform

x = 0.50536 \dots + 2 πn, x = 2 π - 0.50536 \dots + 2 πn

Graph

Beliebte Beispiele

cos(6x)=1,0<= x<= pi/2

cos (6 x) = 1, 0 \leq x \leq \frac{π}{2}

cos^2(θ)+2cos(θ)-3=0

cos^{2} (θ) + 2 cos (θ) - 3 = 0

cos(2θ)=11sin(θ)-5

cos (2 θ) = 11 sin (θ) - 5

4tan(θ)=3+tan(θ)

4 tan (θ) = 3 + tan (θ)

tan(2x)+sec(2x)=10

tan (2 x) + sec (2 x) = 10