cos(θ)=-0.62

Lösung

cos (θ) = - 0.62

θ = 2.23953 \dots + 2 πn, θ = - 2.23953 \dots + 2 πn

Grad

θ = 128.31613 \dots^{\circ} + 36 0^{\circ} n, θ = - 128.31613 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (θ) = - 0.62

Wende die Eigenschaften der Trigonometrie an

cos (θ) = - 0.62

Allgemeine Lösung für

cos (θ) = - 0.62

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

θ = arccos (- 0.62) + 2 πn, θ = - arccos (- 0.62) + 2 πn

θ = arccos (- 0.62) + 2 πn, θ = - arccos (- 0.62) + 2 πn

Zeige Lösungen in Dezimalform

θ = 2.23953 \dots + 2 πn, θ = - 2.23953 \dots + 2 πn

2 - 2 sin^{2} (x) = 2 cos^{2} (\frac{x}{2})

cos (4 x) sin (x) = 0

3 cot (\frac{π}{2} x) = - 3

cos (θ) = \frac{3}{5}, \frac{3 π}{2} < θ < 2 π

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