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Beliebt Trigonometrie >

cos(x)= 7/10

Lösung

cos (x) = \frac{7}{10}

Lösung

x = 0.79539 \dots + 2 πn, x = 2 π - 0.79539 \dots + 2 πn

+1

Grad

x = 45.57299 \dots^{\circ} + 36 0^{\circ} n, x = 314.42700 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (x) = \frac{7}{10}

Wende die Eigenschaften der Trigonometrie an

cos (x) = \frac{7}{10}

Allgemeine Lösung für

cos (x) = \frac{7}{10}

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

x = arccos (\frac{7}{10}) + 2 πn, x = 2 π - arccos (\frac{7}{10}) + 2 πn

x = arccos (\frac{7}{10}) + 2 πn, x = 2 π - arccos (\frac{7}{10}) + 2 πn

Zeige Lösungen in Dezimalform

x = 0.79539 \dots + 2 πn, x = 2 π - 0.79539 \dots + 2 πn

Graph

Beliebte Beispiele

2 cos (2 x) + 3 = 2

2 cos (x) = sec (x)

solvefor x,7y^2+sin(3x)=12-y^4

so l v e f or x, 7 y^{2} + sin (3 x) = 12 - y^{4}

sin((pix)/2)+1=0

sin (\frac{π x}{2}) + 1 = 0

sin (x + 6 0^{\circ}) = - 0.4