Cos(10x)=Cos(9x)

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Solution for Cos(10x)=Cos(9x) equation:


Simplifying
Cos(10x) = Cos(9x)

Remove parenthesis around (10x)
osC * 10x = Cos(9x)

Reorder the terms for easier multiplication:
10osC * x = Cos(9x)

Multiply osC * x
10osxC = Cos(9x)

Remove parenthesis around (9x)
10osxC = osC * 9x

Reorder the terms for easier multiplication:
10osxC = 9osC * x

Multiply osC * x
10osxC = 9osxC

Solving
10osxC = 9osxC

Solving for variable 'o'.

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

Add '-9osxC' to each side of the equation.
10osxC + -9osxC = 9osxC + -9osxC

Combine like terms: 10osxC + -9osxC = 1osxC
1osxC = 9osxC + -9osxC

Combine like terms: 9osxC + -9osxC = 0
1osxC = 0

Divide each side by '1'.
osxC = 0

Simplifying
osxC = 0

The solution to this equation could not be determined.

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