4cos^2(2x)-2=0

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Solution for 4cos^2(2x)-2=0 equation:


Simplifying
4cos2(2x) + -2 = 0

Remove parenthesis around (2x)
4cos2 * 2x + -2 = 0

Reorder the terms for easier multiplication:
4 * 2cos2 * x + -2 = 0

Multiply 4 * 2
8cos2 * x + -2 = 0

Multiply cos2 * x
8cos2x + -2 = 0

Reorder the terms:
-2 + 8cos2x = 0

Solving
-2 + 8cos2x = 0

Solving for variable 'c'.

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

Add '2' to each side of the equation.
-2 + 2 + 8cos2x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 8cos2x = 0 + 2
8cos2x = 0 + 2

Combine like terms: 0 + 2 = 2
8cos2x = 2

Divide each side by '8os2x'.
c = 0.25o-1s-2x-1

Simplifying
c = 0.25o-1s-2x-1

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