4cos(3x)-4=0

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Solution for 4cos(3x)-4=0 equation:


Simplifying
4cos(3x) + -4 = 0

Remove parenthesis around (3x)
4cos * 3x + -4 = 0

Reorder the terms for easier multiplication:
4 * 3cos * x + -4 = 0

Multiply 4 * 3
12cos * x + -4 = 0

Multiply cos * x
12cosx + -4 = 0

Reorder the terms:
-4 + 12cosx = 0

Solving
-4 + 12cosx = 0

Solving for variable 'c'.

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

Add '4' to each side of the equation.
-4 + 4 + 12cosx = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 12cosx = 0 + 4
12cosx = 0 + 4

Combine like terms: 0 + 4 = 4
12cosx = 4

Divide each side by '12osx'.
c = 0.3333333333o-1s-1x-1

Simplifying
c = 0.3333333333o-1s-1x-1

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