cos(x)= 1249/1250

Lösung

cos (x) = \frac{1249}{1250}

x = 0.04000 \dots + 2 πn, x = 2 π - 0.04000 \dots + 2 πn

Grad

x = 2.29198 \dots^{\circ} + 36 0^{\circ} n, x = 357.70801 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (x) = \frac{1249}{1250}

Wende die Eigenschaften der Trigonometrie an

cos (x) = \frac{1249}{1250}

Allgemeine Lösung für

cos (x) = \frac{1249}{1250}

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

x = arccos (\frac{1249}{1250}) + 2 πn, x = 2 π - arccos (\frac{1249}{1250}) + 2 πn

x = arccos (\frac{1249}{1250}) + 2 πn, x = 2 π - arccos (\frac{1249}{1250}) + 2 πn

Zeige Lösungen in Dezimalform

x = 0.04000 \dots + 2 πn, x = 2 π - 0.04000 \dots + 2 πn

sec (θ) = \frac{9}{7}

4 cos (x - π) = 4

cot (x) (tan (x) - \frac{3}{3}) = 0

3 = sec (x)

2 cos (2 x) = 1