cos(3x)+cos(x)=0

Simple and best practice solution for cos(3x)+cos(x)=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(3x)+cos(x)=0 equation:


Simplifying
cos(3x) + cos(x) = 0

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

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

Multiply cos * x
3cosx + cos(x) = 0

Multiply cos * x
3cosx + cosx = 0

Combine like terms: 3cosx + cosx = 4cosx
4cosx = 0

Solving
4cosx = 0

Solving for variable 'c'.

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

Divide each side by '4'.
cosx = 0

Simplifying
cosx = 0

The solution to this equation could not be determined.

See similar equations:

| 3L+4-4L= | | 4y-1+y+35=5y+40-2y | | (x+5)=2x+3 | | 7.33=1.99+x | | 3(2y-5)=27 | | 7.33-1.99= | | 9(4h-6)=-2(13-2h) | | 11k+2(k+1)=5k-6 | | 7xy-4y^2= | | 1.2x=-36 | | 18x^4+39x^3+18x^2=0 | | 9-5n+2n=28-76 | | y-12=0(x+5) | | Whatsy-12=0(x+5) | | -4y+4=-2(4y+16) | | 5x+(x-18)=180 | | -7(2p+2)-38=2(4p+7) | | (X-18)+5x=180 | | 4b+5=68.96 | | 3(x-1)+2x=3x-x-9 | | 23x+12=20x+3 | | x+.40(2)=.8(x+2) | | y^2dx+(3xy-4y^3)dy=0 | | y=1.2x+4.7 | | 25x+12=20x+3 | | x+.40(2)=.8(x+7) | | x^3-5x^2+8x-45=0 | | x+2.8=.8x+5.6 | | 6=w+17 | | 2(-1x-5)-x=x-6 | | c^2+7c=30 | | 5x-15+7x+28=73 |

Equations solver categories