Cos(3x)+2cos(2x)+6cos(x)+5=0

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Solution for Cos(3x)+2cos(2x)+6cos(x)+5=0 equation:


Simplifying
Cos(3x) + 2cos(2x) + 6cos(x) + 5 = 0

Remove parenthesis around (3x)
osC * 3x + 2cos(2x) + 6cos(x) + 5 = 0

Reorder the terms for easier multiplication:
3osC * x + 2cos(2x) + 6cos(x) + 5 = 0

Multiply osC * x
3osxC + 2cos(2x) + 6cos(x) + 5 = 0

Remove parenthesis around (2x)
3osxC + 2cos * 2x + 6cos(x) + 5 = 0

Reorder the terms for easier multiplication:
3osxC + 2 * 2cos * x + 6cos(x) + 5 = 0

Multiply 2 * 2
3osxC + 4cos * x + 6cos(x) + 5 = 0

Multiply cos * x
3osxC + 4cosx + 6cos(x) + 5 = 0

Multiply cos * x
3osxC + 4cosx + 6cosx + 5 = 0

Reorder the terms:
5 + 4cosx + 6cosx + 3osxC = 0

Combine like terms: 4cosx + 6cosx = 10cosx
5 + 10cosx + 3osxC = 0

Solving
5 + 10cosx + 3osxC = 0

Solving for variable 'c'.

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

Add '-5' to each side of the equation.
5 + 10cosx + -5 + 3osxC = 0 + -5

Reorder the terms:
5 + -5 + 10cosx + 3osxC = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 10cosx + 3osxC = 0 + -5
10cosx + 3osxC = 0 + -5

Combine like terms: 0 + -5 = -5
10cosx + 3osxC = -5

Add '-3osxC' to each side of the equation.
10cosx + 3osxC + -3osxC = -5 + -3osxC

Combine like terms: 3osxC + -3osxC = 0
10cosx + 0 = -5 + -3osxC
10cosx = -5 + -3osxC

Divide each side by '10osx'.
c = -0.5o-1s-1x-1 + -0.3C

Simplifying
c = -0.5o-1s-1x-1 + -0.3C

Reorder the terms:
c = -0.3C + -0.5o-1s-1x-1

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