2(cosx)=(x^2)-1

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Solution for 2(cosx)=(x^2)-1 equation: 


Simplifying
2(cosx) = (x2) + -1
2cosx = x2 + -1

Reorder the terms:
2cosx = -1 + x2

Solving
2cosx = -1 + x2

Solving for variable 'c'.

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

Divide each side by '2osx'.
c = -0.5o-1s-1x-1 + 0.5o-1s-1x

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

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