Cos(6x)-cos(3x)=0

Simple and best practice solution for Cos(6x)-cos(3x)=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for Cos(6x)-cos(3x)=0 equation:


Simplifying
Cos(6x) + -1cos(3x) = 0

Remove parenthesis around (6x)
osC * 6x + -1cos(3x) = 0

Reorder the terms for easier multiplication:
6osC * x + -1cos(3x) = 0

Multiply osC * x
6osxC + -1cos(3x) = 0

Remove parenthesis around (3x)
6osxC + -1cos * 3x = 0

Reorder the terms for easier multiplication:
6osxC + -1 * 3cos * x = 0

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

Multiply cos * x
6osxC + -3cosx = 0

Reorder the terms:
-3cosx + 6osxC = 0

Solving
-3cosx + 6osxC = 0

Solving for variable 'c'.

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

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

Combine like terms: 6osxC + -6osxC = 0
-3cosx + 0 = 0 + -6osxC
-3cosx = 0 + -6osxC
Remove the zero:
-3cosx = -6osxC

Divide each side by '-3osx'.
c = 2C

Simplifying
c = 2C

See similar equations:

| 37.5x=90 | | X^5=-12+5i | | 3x/3=0 | | 2(1m)=16 | | ln*x=ln*14 | | p+p+5p-p= | | 3k^2+14k+15= | | 6x+2z=5+7y | | 49n+12=53 | | 3x+39=9 | | x^2-0.5x+0.04= | | 9y^2-8Y^2= | | 20*(6/5)= | | x^2y^2+8xy+12=0 | | h=154-10t-16t^2 | | -2-(-b)=6 | | 36x+35=539 | | 3(3+4x)-1=32 | | 89-3x=56 | | 3(9-b)=0 | | x^2+y^2-80x-60y-3700500=0 | | 10x-1=309 | | 20*6/5 | | 20(6/5*2) | | 8-1.3d=36.6 | | -21=7/6w | | 3x-1/2=5 | | 25/11 | | 120=5x+5[2x-3] | | z^2-1000+60775=0 | | -16+y+y=-16 | | 4(9-x)=16 |

Equations solver categories