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

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


Simplifying
2cos2(x) + -2sin2(x) = 0

Multiply cos2 * x
2cos2x + -2sin2(x) = 0

Multiply in2s * x
2cos2x + -2in2sx = 0

Solving
2cos2x + -2in2sx = 0

Solving for variable 'c'.

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

Add '2in2sx' to each side of the equation.
2cos2x + -2in2sx + 2in2sx = 0 + 2in2sx

Combine like terms: -2in2sx + 2in2sx = 0
2cos2x + 0 = 0 + 2in2sx
2cos2x = 0 + 2in2sx
Remove the zero:
2cos2x = 2in2sx

Divide each side by '2os2x'.
c = in2o-1s-1

Simplifying
c = in2o-1s-1

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