cos(5x)cos(3x)=0

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Solution for cos(5x)cos(3x)=0 equation:


Simplifying
cos(5x) * cos(3x) = 0

Remove parenthesis around (5x)
cos * 5x * cos(3x) = 0

Remove parenthesis around (3x)
cos * 5x * cos * 3x = 0

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

Multiply 5 * 3
15cos * x * cos * x = 0

Multiply cos * x
15cosx * cos * x = 0

Multiply cosx * cos
15c2o2s2x * x = 0

Multiply c2o2s2x * x
15c2o2s2x2 = 0

Solving
15c2o2s2x2 = 0

Solving for variable 'c'.

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

Divide each side by '15'.
c2o2s2x2 = 0

Simplifying
c2o2s2x2 = 0

The solution to this equation could not be determined.

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