cos(5x)+cos(7x)+cos(6x)=0

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Solution for cos(5x)+cos(7x)+cos(6x)=0 equation:


Simplifying
cos(5x) + cos(7x) + cos(6x) = 0

Remove parenthesis around (5x)
cos * 5x + cos(7x) + cos(6x) = 0

Reorder the terms for easier multiplication:
5cos * x + cos(7x) + cos(6x) = 0

Multiply cos * x
5cosx + cos(7x) + cos(6x) = 0

Remove parenthesis around (7x)
5cosx + cos * 7x + cos(6x) = 0

Reorder the terms for easier multiplication:
5cosx + 7cos * x + cos(6x) = 0

Multiply cos * x
5cosx + 7cosx + cos(6x) = 0

Remove parenthesis around (6x)
5cosx + 7cosx + cos * 6x = 0

Reorder the terms for easier multiplication:
5cosx + 7cosx + 6cos * x = 0

Multiply cos * x
5cosx + 7cosx + 6cosx = 0

Combine like terms: 5cosx + 7cosx = 12cosx
12cosx + 6cosx = 0

Combine like terms: 12cosx + 6cosx = 18cosx
18cosx = 0

Solving
18cosx = 0

Solving for variable 'c'.

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

Divide each side by '18'.
cosx = 0

Simplifying
cosx = 0

The solution to this equation could not be determined.

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