1-3cos(-2x)=0

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Solution for 1-3cos(-2x)=0 equation:


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

Remove parenthesis around (-2x)
1 + -3cos * -2x = 0

Reorder the terms for easier multiplication:
1 + -3 * -2cos * x = 0

Multiply -3 * -2
1 + 6cos * x = 0

Multiply cos * x
1 + 6cosx = 0

Solving
1 + 6cosx = 0

Solving for variable 'c'.

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

Add '-1' to each side of the equation.
1 + -1 + 6cosx = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 6cosx = 0 + -1
6cosx = 0 + -1

Combine like terms: 0 + -1 = -1
6cosx = -1

Divide each side by '6osx'.
c = -0.1666666667o-1s-1x-1

Simplifying
c = -0.1666666667o-1s-1x-1

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