2cos^2(2x)-8sin^2(x)*cos^2(x)=-1

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Solution for 2cos^2(2x)-8sin^2(x)*cos^2(x)=-1 equation: 


Simplifying
2cos2(2x) + -8sin2(x) * cos2(x) = -1

Remove parenthesis around (2x)
2cos2 * 2x + -8sin2(x) * cos2(x) = -1

Reorder the terms for easier multiplication:
2 * 2cos2 * x + -8sin2(x) * cos2(x) = -1

Multiply 2 * 2
4cos2 * x + -8sin2(x) * cos2(x) = -1

Multiply cos2 * x
4cos2x + -8sin2(x) * cos2(x) = -1

Multiply in2s * x
4cos2x + -8in2sx * cos2 * x = -1

Multiply in2sx * cos2
4cos2x + -8cin2os3x * x = -1

Multiply cin2os3x * x
4cos2x + -8cin2os3x2 = -1

Reorder the terms:
-8cin2os3x2 + 4cos2x = -1

Solving
-8cin2os3x2 + 4cos2x = -1

Solving for variable 'c'.

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

Reorder the terms:
1 + -8cin2os3x2 + 4cos2x = -1 + 1

Combine like terms: -1 + 1 = 0
1 + -8cin2os3x2 + 4cos2x = 0

The solution to this equation could not be determined.

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