cos^2(x)-3cos(x)=

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Solution for cos^2(x)-3cos(x)= equation:


Simplifying
cos2(x) + -3cos(x) = 0

Multiply cos2 * x
cos2x + -3cos(x) = 0

Multiply cos * x
cos2x + -3cosx = 0

Reorder the terms:
-3cosx + cos2x = 0

Solving
-3cosx + cos2x = 0

Solving for variable 'c'.

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

Factor out the Greatest Common Factor (GCF), 'cosx'.
cosx(-3 + s) = 0

Subproblem 1

Set the factor 'cosx' equal to zero and attempt to solve: Simplifying cosx = 0 Solving cosx = 0 Move all terms containing c to the left, all other terms to the right. Simplifying cosx = 0 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 '(-3 + s)' equal to zero and attempt to solve: Simplifying -3 + s = 0 Solving -3 + s = 0 Move all terms containing c to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + s = 0 + 3 Combine like terms: -3 + 3 = 0 0 + s = 0 + 3 s = 0 + 3 Combine like terms: 0 + 3 = 3 s = 3 Add '-1s' to each side of the equation. s + -1s = 3 + -1s Combine like terms: s + -1s = 0 0 = 3 + -1s Simplifying 0 = 3 + -1s 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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