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Beliebt Algebra >

solvefor x,2x+cosx=0

Lösung

löse nach

x, 2 x + cos (x) = 0

Lösung

x \approx - 0.45018

+1

Grad

x = - 25.79341 \dots^{\circ}

Schritte zur Lösung

2 x + cos (x) = 0

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

- \frac{1}{2} \leq x \leq \frac{1}{2}

- \frac{1}{2} \leq x \leq \frac{1}{2}

Find the difference function:

2 x + cos (x)

2 x + cos (x)

Extreme points of

2 x + cos (x)

at

- \frac{1}{2} \leq x \leq \frac{1}{2}

(- \frac{1}{2}, - 1 + cos (\frac{1}{2})), (\frac{1}{2}, 1 + cos (\frac{1}{2}))

Find the x-axis intersections

x \approx - 0.45018

Graph

Beliebte Beispiele

solvefor y,3x+y=-2

so l v e f or y, 3 x + y = - 2

solvefor y,-x+y=1

so l v e f or y, - x + y = 1

4 x - 2 + 3 x + 3 = 22

\frac{t}{4} - 2 = 1

7 (6 x + 5) = 42 x + 36