cos*x+cos*3x+cos*5x+cos*7x=0

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Solution for cos*x+cos*3x+cos*5x+cos*7x=0 equation:


Simplifying
cos * x + cos * 3x + cos * 5x + cos * 7x = 0

Multiply cos * x
cosx + cos * 3x + cos * 5x + cos * 7x = 0

Reorder the terms for easier multiplication:
cosx + 3cos * x + cos * 5x + cos * 7x = 0

Multiply cos * x
cosx + 3cosx + cos * 5x + cos * 7x = 0

Reorder the terms for easier multiplication:
cosx + 3cosx + 5cos * x + cos * 7x = 0

Multiply cos * x
cosx + 3cosx + 5cosx + cos * 7x = 0

Reorder the terms for easier multiplication:
cosx + 3cosx + 5cosx + 7cos * x = 0

Multiply cos * x
cosx + 3cosx + 5cosx + 7cosx = 0

Combine like terms: cosx + 3cosx = 4cosx
4cosx + 5cosx + 7cosx = 0

Combine like terms: 4cosx + 5cosx = 9cosx
9cosx + 7cosx = 0

Combine like terms: 9cosx + 7cosx = 16cosx
16cosx = 0

Solving
16cosx = 0

Solving for variable 'c'.

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

Divide each side by '16'.
cosx = 0

Simplifying
cosx = 0

The solution to this equation could not be determined.

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