Cosx-cos(2x)=0

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Solution for Cosx-cos(2x)=0 equation:


Simplifying
Cosx + -1cos(2x) = 0

Remove parenthesis around (2x)
osxC + -1cos * 2x = 0

Reorder the terms for easier multiplication:
osxC + -1 * 2cos * x = 0

Multiply -1 * 2
osxC + -2cos * x = 0

Multiply cos * x
osxC + -2cosx = 0

Reorder the terms:
-2cosx + osxC = 0

Solving
-2cosx + osxC = 0

Solving for variable 'c'.

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

Add '-1osxC' to each side of the equation.
-2cosx + osxC + -1osxC = 0 + -1osxC

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

Divide each side by '-2osx'.
c = 0.5C

Simplifying
c = 0.5C

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