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Beliebt Algebra >

solvefor x,-x=2cosx

Lösung

löse nach

x, - x = 2 cos (x)

Lösung

x \approx - 1.02987

+1

Grad

x = - 59.00720 \dots^{\circ}

Schritte zur Lösung

- x = 2 cos (x)

Tausche die Seiten

2 cos (x) = - x

Find the interval where both equation sides share the same range:

- 2 \leq x \leq 2

- 2 \leq x \leq 2

Find the difference function:

2 cos (x) + x

2 cos (x) + x

Extreme points of

2 cos (x) + x

at

- 2 \leq x \leq 2

(- 2, 2 cos (2) - 2), (\frac{π}{6}, 3 + \frac{π}{6}), (2, 2 cos (2) + 2)

Find the x-axis intersections

x \approx - 1.02987

Graph

Beliebte Beispiele

1.5 x - 4 = 0.5

12 x - 1 = 35

6x-3(24x-5)=2(3x+1)-8

6 x - 3 (24 x - 5) = 2 (3 x + 1) - 8

solvefor y,-2x+2y=2

so l v e f or y, - 2 x + 2 y = 2

solvefor y,-2x+2y=4

so l v e f or y, - 2 x + 2 y = 4