-cos^2x=-2cos^2-sin^2x+1

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


Simplifying
-1cos2x = -2cos2 + -1sin2x + 1

Reorder the terms:
-1cos2x = 1 + -2cos2 + -1in2sx

Solving
-1cos2x = 1 + -2cos2 + -1in2sx

Solving for variable 'c'.

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

Add '2cos2' to each side of the equation.
2cos2 + -1cos2x = 1 + -2cos2 + 2cos2 + -1in2sx

Combine like terms: -2cos2 + 2cos2 = 0
2cos2 + -1cos2x = 1 + 0 + -1in2sx
2cos2 + -1cos2x = 1 + -1in2sx

Reorder the terms:
-1 + 2cos2 + -1cos2x + in2sx = 1 + -1in2sx + -1 + in2sx

Reorder the terms:
-1 + 2cos2 + -1cos2x + in2sx = 1 + -1 + -1in2sx + in2sx

Combine like terms: 1 + -1 = 0
-1 + 2cos2 + -1cos2x + in2sx = 0 + -1in2sx + in2sx
-1 + 2cos2 + -1cos2x + in2sx = -1in2sx + in2sx

Combine like terms: -1in2sx + in2sx = 0
-1 + 2cos2 + -1cos2x + in2sx = 0

The solution to this equation could not be determined.

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