(.5x^2)-cos(x)-1=0

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Solution for (.5x^2)-cos(x)-1=0 equation:


Simplifying
(0.5x2) + -1cos(x) + -1 = 0

Multiply cos * x
(0.5x2) + -1cosx + -1 = 0

Reorder the terms:
-1 + -1cosx + (0.5x2) = 0

Solving
-1 + -1cosx + (0.5x2) = 0

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + -1cosx + 1 + (0.5x2) = 0 + 1

Reorder the terms:
-1 + 1 + -1cosx + (0.5x2) = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -1cosx + (0.5x2) = 0 + 1
-1cosx + (0.5x2) = 0 + 1

Combine like terms: 0 + 1 = 1
-1cosx + (0.5x2) = 1

Add '(-0.5x2)' to each side of the equation.
-1cosx + (0.5x2) + (-0.5x2) = 1 + (-0.5x2)

Combine like terms: (0.5x2) + (-0.5x2) = 0.0
-1cosx + 0.0 = 1 + (-0.5x2)
-1cosx = 1 + (-0.5x2)

Divide each side by '-1osx'.
c = -1o-1s-1x-1 + (0.5o-1s-1x)

Simplifying
c = -1o-1s-1x-1 + (0.5o-1s-1x)

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