cos(6A)-2*cos(4A)-cos(2A)+2=

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Solution for cos(6A)-2*cos(4A)-cos(2A)+2= equation:


Simplifying
cos(6A) + -2cos(4A) + -1cos(2A) + 2 = 0

Remove parenthesis around (6A)
cos * 6A + -2cos(4A) + -1cos(2A) + 2 = 0

Reorder the terms for easier multiplication:
6cos * A + -2cos(4A) + -1cos(2A) + 2 = 0

Multiply cos * A
6cosA + -2cos(4A) + -1cos(2A) + 2 = 0

Remove parenthesis around (4A)
6cosA + -2cos * 4A + -1cos(2A) + 2 = 0

Reorder the terms for easier multiplication:
6cosA + -2 * 4cos * A + -1cos(2A) + 2 = 0

Multiply -2 * 4
6cosA + -8cos * A + -1cos(2A) + 2 = 0

Multiply cos * A
6cosA + -8cosA + -1cos(2A) + 2 = 0

Remove parenthesis around (2A)
6cosA + -8cosA + -1cos * 2A + 2 = 0

Reorder the terms for easier multiplication:
6cosA + -8cosA + -1 * 2cos * A + 2 = 0

Multiply -1 * 2
6cosA + -8cosA + -2cos * A + 2 = 0

Multiply cos * A
6cosA + -8cosA + -2cosA + 2 = 0

Reorder the terms:
2 + 6cosA + -8cosA + -2cosA = 0

Combine like terms: 6cosA + -8cosA = -2cosA
2 + -2cosA + -2cosA = 0

Combine like terms: -2cosA + -2cosA = -4cosA
2 + -4cosA = 0

Solving
2 + -4cosA = 0

Solving for variable 'c'.

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

Add '-2' to each side of the equation.
2 + -2 + -4cosA = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -4cosA = 0 + -2
-4cosA = 0 + -2

Combine like terms: 0 + -2 = -2
-4cosA = -2

Divide each side by '-4osA'.
c = 0.5o-1s-1A-1

Simplifying
c = 0.5o-1s-1A-1

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