cos(5x)-cos(7x)=0

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Solution for cos(5x)-cos(7x)=0 equation:


Simplifying
cos(5x) + -1cos(7x) = 0

Remove parenthesis around (5x)
cos * 5x + -1cos(7x) = 0

Reorder the terms for easier multiplication:
5cos * x + -1cos(7x) = 0

Multiply cos * x
5cosx + -1cos(7x) = 0

Remove parenthesis around (7x)
5cosx + -1cos * 7x = 0

Reorder the terms for easier multiplication:
5cosx + -1 * 7cos * x = 0

Multiply -1 * 7
5cosx + -7cos * x = 0

Multiply cos * x
5cosx + -7cosx = 0

Combine like terms: 5cosx + -7cosx = -2cosx
-2cosx = 0

Solving
-2cosx = 0

Solving for variable 'c'.

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

Divide each side by '-2'.
cosx = 0

Simplifying
cosx = 0

The solution to this equation could not be determined.

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