Cos(4x)-cos(5x)=0

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Solution for Cos(4x)-cos(5x)=0 equation:


Simplifying
Cos(4x) + -1cos(5x) = 0

Remove parenthesis around (4x)
osC * 4x + -1cos(5x) = 0

Reorder the terms for easier multiplication:
4osC * x + -1cos(5x) = 0

Multiply osC * x
4osxC + -1cos(5x) = 0

Remove parenthesis around (5x)
4osxC + -1cos * 5x = 0

Reorder the terms for easier multiplication:
4osxC + -1 * 5cos * x = 0

Multiply -1 * 5
4osxC + -5cos * x = 0

Multiply cos * x
4osxC + -5cosx = 0

Reorder the terms:
-5cosx + 4osxC = 0

Solving
-5cosx + 4osxC = 0

Solving for variable 'c'.

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

Add '-4osxC' to each side of the equation.
-5cosx + 4osxC + -4osxC = 0 + -4osxC

Combine like terms: 4osxC + -4osxC = 0
-5cosx + 0 = 0 + -4osxC
-5cosx = 0 + -4osxC
Remove the zero:
-5cosx = -4osxC

Divide each side by '-5osx'.
c = 0.8C

Simplifying
c = 0.8C

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