.5=cos(4x)

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Solution for .5=cos(4x) equation:


Simplifying
0.5 = cos(4x)

Remove parenthesis around (4x)
0.5 = cos * 4x

Reorder the terms for easier multiplication:
0.5 = 4cos * x

Multiply cos * x
0.5 = 4cosx

Solving
0.5 = 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.
0.5 + -4cosx = 4cosx + -4cosx

Combine like terms: 4cosx + -4cosx = 0
0.5 + -4cosx = 0

Add '-0.5' to each side of the equation.
0.5 + -0.5 + -4cosx = 0 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + -4cosx = 0 + -0.5
-4cosx = 0 + -0.5

Combine like terms: 0 + -0.5 = -0.5
-4cosx = -0.5

Divide each side by '-4osx'.
c = 0.125o-1s-1x-1

Simplifying
c = 0.125o-1s-1x-1

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