2cos(x)=1.7

Lösung

2 cos (x) = 1.7

x = 0.55481 \dots + 2 πn, x = 2 π - 0.55481 \dots + 2 πn

Grad

x = 31.78833 \dots^{\circ} + 36 0^{\circ} n, x = 328.21166 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

2 cos (x) = 1.7

Teile beide Seiten durch

2

2 cos (x) = 1.7

Teile beide Seiten durch

2

\frac{2 cos ( x )}{2} = \frac{1.7}{2}

Vereinfache

cos (x) = 0.85

cos (x) = 0.85

Wende die Eigenschaften der Trigonometrie an

cos (x) = 0.85

Allgemeine Lösung für

cos (x) = 0.85

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

x = arccos (0.85) + 2 πn, x = 2 π - arccos (0.85) + 2 πn

x = arccos (0.85) + 2 πn, x = 2 π - arccos (0.85) + 2 πn

Zeige Lösungen in Dezimalform

x = 0.55481 \dots + 2 πn, x = 2 π - 0.55481 \dots + 2 πn

sin (2 x + 30) = 0.8

4 tan^{2} (x) + sec (x) = - 2 tan^{2} (x) + sec^{2} (x) - 3

sin (θ) = \frac{13}{14}

2 a sin (x) + a = 0

tan (θ) = (\frac{2}{3})