2sen^2x+cos^2x-1=0

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Solution for 2sen^2x+cos^2x-1=0 equation: 


Simplifying
2sen2x + cos2x + -1 = 0

Reorder the terms:
-1 + cos2x + 2en2sx = 0

Solving
-1 + cos2x + 2en2sx = 0

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 + cos2x + 1 + 2en2sx = 0 + 1

Reorder the terms:
-1 + 1 + cos2x + 2en2sx = 0 + 1

Combine like terms: -1 + 1 = 0
0 + cos2x + 2en2sx = 0 + 1
cos2x + 2en2sx = 0 + 1

Combine like terms: 0 + 1 = 1
cos2x + 2en2sx = 1

Add '-2en2sx' to each side of the equation.
cos2x + 2en2sx + -2en2sx = 1 + -2en2sx

Combine like terms: 2en2sx + -2en2sx = 0
cos2x + 0 = 1 + -2en2sx
cos2x = 1 + -2en2sx

Divide each side by 'os2x'.
c = o-1s-2x-1 + -2en2o-1s-1

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

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

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