Cos^2x-2cosx=o

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Solution for Cos^2x-2cosx=o equation: 


Simplifying
Cos2x + -2cosx = o

Reorder the terms:
-2cosx + os2xC = o

Solving
-2cosx + os2xC = o

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.
-2cosx + os2xC + -1os2xC = o + -1os2xC

Combine like terms: os2xC + -1os2xC = 0
-2cosx + 0 = o + -1os2xC
-2cosx = o + -1os2xC

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

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

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