3(2cos^2(x)-1)=

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Solution for 3(2cos^2(x)-1)= equation:


Simplifying
3(2cos2(x) + -1) = 0

Multiply cos2 * x
3(2cos2x + -1) = 0

Reorder the terms:
3(-1 + 2cos2x) = 0
(-1 * 3 + 2cos2x * 3) = 0
(-3 + 6cos2x) = 0

Solving
-3 + 6cos2x = 0

Solving for variable 'c'.

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

Add '3' to each side of the equation.
-3 + 3 + 6cos2x = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 6cos2x = 0 + 3
6cos2x = 0 + 3

Combine like terms: 0 + 3 = 3
6cos2x = 3

Divide each side by '6os2x'.
c = 0.5o-1s-2x-1

Simplifying
c = 0.5o-1s-2x-1

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