Cos(2x)-5cosx=2

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Solution for Cos(2x)-5cosx=2 equation: 


Simplifying
Cos(2x) + -5cosx = 2

Remove parenthesis around (2x)
osC * 2x + -5cosx = 2

Reorder the terms for easier multiplication:
2osC * x + -5cosx = 2

Multiply osC * x
2osxC + -5cosx = 2

Reorder the terms:
-5cosx + 2osxC = 2

Solving
-5cosx + 2osxC = 2

Solving for variable 'c'.

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

Add '-2osxC' to each side of the equation.
-5cosx + 2osxC + -2osxC = 2 + -2osxC

Combine like terms: 2osxC + -2osxC = 0
-5cosx + 0 = 2 + -2osxC
-5cosx = 2 + -2osxC

Divide each side by '-5osx'.
c = -0.4o-1s-1x-1 + 0.4C

Simplifying
c = -0.4o-1s-1x-1 + 0.4C

Reorder the terms:
c = 0.4C + -0.4o-1s-1x-1

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