Cosx-2cos(3x)=0

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Solution for Cosx-2cos(3x)=0 equation: 


Simplifying
Cosx + -2cos(3x) = 0

Remove parenthesis around (3x)
osxC + -2cos * 3x = 0

Reorder the terms for easier multiplication:
osxC + -2 * 3cos * x = 0

Multiply -2 * 3
osxC + -6cos * x = 0

Multiply cos * x
osxC + -6cosx = 0

Reorder the terms:
-6cosx + osxC = 0

Solving
-6cosx + 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.
-6cosx + osxC + -1osxC = 0 + -1osxC

Combine like terms: osxC + -1osxC = 0
-6cosx + 0 = 0 + -1osxC
-6cosx = 0 + -1osxC
Remove the zero:
-6cosx = -1osxC

Divide each side by '-6osx'.
c = 0.1666666667C

Simplifying
c = 0.1666666667C

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