2cos^2x+sin^2x=2cosx

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Solution for 2cos^2x+sin^2x=2cosx equation:


Simplifying
2cos2x + sin2x = 2cosx

Solving
2cos2x + in2sx = 2cosx

Solving for variable 'c'.

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

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

Reorder the terms:
-2cosx + 2cos2x + in2sx = 2cosx + -2cosx

Combine like terms: 2cosx + -2cosx = 0
-2cosx + 2cos2x + in2sx = 0

Add '-1in2sx' to each side of the equation.
-2cosx + 2cos2x + in2sx + -1in2sx = 0 + -1in2sx

Combine like terms: in2sx + -1in2sx = 0
-2cosx + 2cos2x + 0 = 0 + -1in2sx
-2cosx + 2cos2x = 0 + -1in2sx
Remove the zero:
-2cosx + 2cos2x = -1in2sx

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

Factor out the Greatest Common Factor (GCF), 'sx'.
sx(-2co + 2cos + in2) = 0

Subproblem 1

Set the factor 'sx' equal to zero and attempt to solve: Simplifying sx = 0 Solving sx = 0 Move all terms containing c to the left, all other terms to the right. Add '-1sx' to each side of the equation. sx + -1sx = 0 + -1sx Remove the zero: 0 = -1sx Simplifying 0 = -1sx The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(-2co + 2cos + in2)' equal to zero and attempt to solve: Simplifying -2co + 2cos + in2 = 0 Solving -2co + 2cos + in2 = 0 Move all terms containing c to the left, all other terms to the right. Add '-1in2' to each side of the equation. -2co + 2cos + in2 + -1in2 = 0 + -1in2 Combine like terms: in2 + -1in2 = 0 -2co + 2cos + 0 = 0 + -1in2 -2co + 2cos = 0 + -1in2 Remove the zero: -2co + 2cos = -1in2 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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