Cos*2*x=cos*x

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Solution for Cos*2*x=cos*x equation:


Simplifying
Cos * 2x = cos * x

Reorder the terms for easier multiplication:
2osC * x = cos * x

Multiply osC * x
2osxC = cos * x

Multiply cos * x
2osxC = cosx

Solving
2osxC = cosx

Solving for variable 'o'.

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

Add '-1cosx' to each side of the equation.
-1cosx + 2osxC = cosx + -1cosx

Combine like terms: cosx + -1cosx = 0
-1cosx + 2osxC = 0

Factor out the Greatest Common Factor (GCF), 'osx'.
osx(-1c + 2C) = 0

Subproblem 1

Set the factor 'osx' equal to zero and attempt to solve: Simplifying osx = 0 Solving osx = 0 Move all terms containing o to the left, all other terms to the right. Simplifying osx = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(-1c + 2C)' equal to zero and attempt to solve: Simplifying -1c + 2C = 0 Reorder the terms: 2C + -1c = 0 Solving 2C + -1c = 0 Move all terms containing o to the left, all other terms to the right. Add '-2C' to each side of the equation. 2C + -2C + -1c = 0 + -2C Combine like terms: 2C + -2C = 0 0 + -1c = 0 + -2C -1c = 0 + -2C Remove the zero: -1c = -2C Add 'c' to each side of the equation. -1c + c = -2C + c Combine like terms: -1c + c = 0 0 = -2C + c Simplifying 0 = -2C + c The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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