8cos^2(3x)+4=2

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Solution for 8cos^2(3x)+4=2 equation: 


Simplifying
8cos2(3x) + 4 = 2

Remove parenthesis around (3x)
8cos2 * 3x + 4 = 2

Reorder the terms for easier multiplication:
8 * 3cos2 * x + 4 = 2

Multiply 8 * 3
24cos2 * x + 4 = 2

Multiply cos2 * x
24cos2x + 4 = 2

Reorder the terms:
4 + 24cos2x = 2

Solving
4 + 24cos2x = 2

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 + 24cos2x = 2 + -4

Combine like terms: 4 + -4 = 0
0 + 24cos2x = 2 + -4
24cos2x = 2 + -4

Combine like terms: 2 + -4 = -2
24cos2x = -2

Divide each side by '24os2x'.
c = -0.08333333333o-1s-2x-1

Simplifying
c = -0.08333333333o-1s-2x-1

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