cos(x)cos(2x)=0.5

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Solution for cos(x)cos(2x)=0.5 equation:


Simplifying
cos(x) * cos(2x) = 0.5
Remove parenthesis around (2x)
cos * x * cos * 2x = 0.5
Reorder the terms for easier multiplication:
2cos * x * cos * x = 0.5
Multiply cos * x
2cosx * cos * x = 0.5
Multiply cosx * cos
2c2o2s2x * x = 0.5
Multiply c2o2s2x * x
2c2o2s2x2 = 0.5
Solving
2c2o2s2x2 = 0.5
Solving for variable 'c'.
Move all terms containing c to the left, all other terms to the right.
Divide each side by '2o2s2x2'.
c2 = 0.25o-2s-2x-2
Simplifying
c2 = 0.25o-2s-2x-2
Take the square root of each side:
c = {-0.5o-1s-1x-1, 0.5o-1s-1x-1}

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