de

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Beliebt Trigonometrie >

cos(x)=-4/5

Lösung

cos (x) = - \frac{4}{5}

Lösung

x = 2.49809 \dots + 2 πn, x = - 2.49809 \dots + 2 πn

+1

Grad

x = 143.13010 \dots^{\circ} + 36 0^{\circ} n, x = - 143.13010 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (x) = - \frac{4}{5}

Wende die Eigenschaften der Trigonometrie an

cos (x) = - \frac{4}{5}

Allgemeine Lösung für

cos (x) = - \frac{4}{5}

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

x = arccos (- \frac{4}{5}) + 2 πn, x = - arccos (- \frac{4}{5}) + 2 πn

x = arccos (- \frac{4}{5}) + 2 πn, x = - arccos (- \frac{4}{5}) + 2 πn

Zeige Lösungen in Dezimalform

x = 2.49809 \dots + 2 πn, x = - 2.49809 \dots + 2 πn

Graph

Beliebte Beispiele

2cos^2(x)+11sin(x)=7

2 cos^{2} (x) + 11 sin (x) = 7

cos(x)csc(x)=2cos(x)

cos (x) csc (x) = 2 cos (x)

cot(x)= 1/(sqrt(3))

cot (x) = \frac{1}{3}

2sin(3x-pi/3)=-sqrt(3),0<= x<= 2pi

2 sin (3 x - \frac{π}{3}) = - 3, 0 \leq x \leq 2 π

sin(x)=2*sin(3x)

sin (x) = 2 \cdot sin (3 x)