cos*2x=4*cosx-3

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Solution for cos*2x=4*cosx-3 equation:


Simplifying
cos * 2x = 4cosx + -3

Reorder the terms for easier multiplication:
2cos * x = 4cosx + -3

Multiply cos * x
2cosx = 4cosx + -3

Reorder the terms:
2cosx = -3 + 4cosx

Solving
2cosx = -3 + 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.
2cosx + -4cosx = -3 + 4cosx + -4cosx

Combine like terms: 2cosx + -4cosx = -2cosx
-2cosx = -3 + 4cosx + -4cosx

Combine like terms: 4cosx + -4cosx = 0
-2cosx = -3 + 0
-2cosx = -3

Divide each side by '-2osx'.
c = 1.5o-1s-1x-1

Simplifying
c = 1.5o-1s-1x-1

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