cos(x)+cos(3x)=0.5

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Solution for cos(x)+cos(3x)=0.5 equation: 


Simplifying
cos(x) + cos(3x) = 0.5

Multiply cos * x
cosx + cos(3x) = 0.5

Remove parenthesis around (3x)
cosx + cos * 3x = 0.5

Reorder the terms for easier multiplication:
cosx + 3cos * x = 0.5

Multiply cos * x
cosx + 3cosx = 0.5

Combine like terms: cosx + 3cosx = 4cosx
4cosx = 0.5

Solving
4cosx = 0.5

Solving for variable 'c'.

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

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

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

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