5cos^2(x)=4cosx+1

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Solution for 5cos^2(x)=4cosx+1 equation:


Simplifying
5cos2(x) = 4cosx + 1

Multiply cos2 * x
5cos2x = 4cosx + 1

Reorder the terms:
5cos2x = 1 + 4cosx

Solving
5cos2x = 1 + 4cosx

Solving for variable 'c'.

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

Add '-4cosx' to each side of the equation.
-4cosx + 5cos2x = 1 + 4cosx + -4cosx

Combine like terms: 4cosx + -4cosx = 0
-4cosx + 5cos2x = 1 + 0
-4cosx + 5cos2x = 1

Reorder the terms:
-1 + -4cosx + 5cos2x = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -4cosx + 5cos2x = 0

The solution to this equation could not be determined.

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