cos(x)=-0.73

Lösung

cos (x) = - 0.73

x = 2.38911 \dots + 2 πn, x = - 2.38911 \dots + 2 πn

Grad

x = 136.88639 \dots^{\circ} + 36 0^{\circ} n, x = - 136.88639 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (x) = - 0.73

Wende die Eigenschaften der Trigonometrie an

cos (x) = - 0.73

Allgemeine Lösung für

cos (x) = - 0.73

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

x = arccos (- 0.73) + 2 πn, x = - arccos (- 0.73) + 2 πn

x = arccos (- 0.73) + 2 πn, x = - arccos (- 0.73) + 2 πn

Zeige Lösungen in Dezimalform

x = 2.38911 \dots + 2 πn, x = - 2.38911 \dots + 2 πn

5 cos^{2} (x) - 3 cos (x) = 2

9 tan^{2} (x) - 27 = 0

cos (x) = - 0.45

sin (4 x) cos (x) - sin (x) cos (4 x) = - \frac{1}{2}

4 tan (θ) - 1 = 0