cos(x)=(2.16)/(3.42)

Lösung

cos (x) = \frac{2.16}{3.42}

x = 0.88720 \dots + 2 πn, x = 2 π - 0.88720 \dots + 2 πn

Grad

x = 50.83328 \dots^{\circ} + 36 0^{\circ} n, x = 309.16671 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (x) = \frac{2.16}{3.42}

Wende die Eigenschaften der Trigonometrie an

cos (x) = \frac{2.16}{3.42}

Allgemeine Lösung für

cos (x) = \frac{2.16}{3.42}

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

x = arccos (\frac{2.16}{3.42}) + 2 πn, x = 2 π - arccos (\frac{2.16}{3.42}) + 2 πn

x = arccos (\frac{2.16}{3.42}) + 2 πn, x = 2 π - arccos (\frac{2.16}{3.42}) + 2 πn

Zeige Lösungen in Dezimalform

x = 0.88720 \dots + 2 πn, x = 2 π - 0.88720 \dots + 2 πn

sinh (x) = \frac{5}{12}, cosh (x)

sin (x) = cos (1 9^{\circ})

tan (A) = \frac{8}{15}

tan^{2} (θ) = sec^{2} (θ) + 1

cos (2 B) = \frac{21}{35}, cos (B)