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Beliebt Trigonometrie >

cos(θ)= 14/16

Lösung

cos (θ) = \frac{14}{16}

Lösung

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

+1

Grad

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

Schritte zur Lösung

cos (θ) = \frac{14}{16}

Streiche die gemeinsamen Faktoren:

2

cos (θ) = \frac{7}{8}

Wende die Eigenschaften der Trigonometrie an

cos (θ) = \frac{7}{8}

Allgemeine Lösung für

cos (θ) = \frac{7}{8}

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

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

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

Zeige Lösungen in Dezimalform

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

Graph

Beliebte Beispiele

tan(2c)=-tan(x)

tan (2 c) = - tan (x)

sin(θ)-0.1cos(θ)=(8.87)/(9.8)

sin (θ) - 0.1 cos (θ) = \frac{8.87}{9.8}

(cos(x))/2 =(sqrt(3))/2

\frac{cos ( x )}{2} = \frac{3}{2}

2 cot (2 x) + 2 = 0

sec^2(θ)tan(θ)=2tan(θ),0<= θ<= 360

sec^{2} (θ) tan (θ) = 2 tan (θ), 0^{\circ} \leq θ \leq 36 0^{\circ}