Cos^2x+cosx=0.5

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Solution for Cos^2x+cosx=0.5 equation: 


Simplifying
Cos2x + cosx = 0.5

Reorder the terms:
cosx + os2xC = 0.5

Solving
cosx + os2xC = 0.5

Solving for variable 'c'.

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

Add '-1os2xC' to each side of the equation.
cosx + os2xC + -1os2xC = 0.5 + -1os2xC

Combine like terms: os2xC + -1os2xC = 0
cosx + 0 = 0.5 + -1os2xC
cosx = 0.5 + -1os2xC

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

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

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