2cos^2-1=1-2sen^2

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Solution for 2cos^2-1=1-2sen^2 equation: 


Simplifying
2cos2 + -1 = 1 + -2sen2

Reorder the terms:
-1 + 2cos2 = 1 + -2sen2

Solving
-1 + 2cos2 = 1 + -2en2s

Solving for variable 'c'.

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

Add '1' to each side of the equation.
-1 + 1 + 2cos2 = 1 + 1 + -2en2s

Combine like terms: -1 + 1 = 0
0 + 2cos2 = 1 + 1 + -2en2s
2cos2 = 1 + 1 + -2en2s

Combine like terms: 1 + 1 = 2
2cos2 = 2 + -2en2s

Divide each side by '2os2'.
c = o-1s-2 + -1en2o-1s-1

Simplifying
c = o-1s-2 + -1en2o-1s-1

Reorder the terms:
c = -1en2o-1s-1 + o-1s-2

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