# cos(4x)*cos(2x)=

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## Solution for cos(4x)*cos(2x)= equation:

Simplifying
cos(4x) * cos(2x) = 0
Remove parenthesis around (4x)
cos * 4x * cos(2x) = 0
Remove parenthesis around (2x)
cos * 4x * cos * 2x = 0
Reorder the terms for easier multiplication:
4 * 2cos * x * cos * x = 0
Multiply 4 * 2
8cos * x * cos * x = 0
Multiply cos * x
8cosx * cos * x = 0
Multiply cosx * cos
8c2o2s2x * x = 0
Multiply c2o2s2x * x
8c2o2s2x2 = 0
Solving
8c2o2s2x2 = 0
Solving for variable 'c'.
Move all terms containing c to the left, all other terms to the right.
Divide each side by '8'.
c2o2s2x2 = 0
Simplifying
c2o2s2x2 = 0
The solution to this equation could not be determined.`