Cos(3*X)+cos(2*X)=0

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Solution for Cos(3*X)+cos(2*X)=0 equation:


Simplifying
Cos(3X) + cos(2X) = 0

Remove parenthesis around (3X)
osC * 3X + cos(2X) = 0

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

Multiply osC * X
3osCX + cos(2X) = 0

Remove parenthesis around (2X)
3osCX + cos * 2X = 0

Reorder the terms for easier multiplication:
3osCX + 2cos * X = 0

Multiply cos * X
3osCX + 2cosX = 0

Reorder the terms:
2cosX + 3osCX = 0

Solving
2cosX + 3osCX = 0

Solving for variable 'c'.

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

Add '-3osCX' to each side of the equation.
2cosX + 3osCX + -3osCX = 0 + -3osCX

Combine like terms: 3osCX + -3osCX = 0
2cosX + 0 = 0 + -3osCX
2cosX = 0 + -3osCX
Remove the zero:
2cosX = -3osCX

Divide each side by '2osX'.
c = -1.5C

Simplifying
c = -1.5C

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