20*cos(4x)=0

Simple and best practice solution for 20*cos(4x)=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 20*cos(4x)=0 equation: 


Simplifying
20cos(4x) = 0

Remove parenthesis around (4x)
20cos * 4x = 0

Reorder the terms for easier multiplication:
20 * 4cos * x = 0

Multiply 20 * 4
80cos * x = 0

Multiply cos * x
80cosx = 0

Solving
80cosx = 0

Solving for variable 'c'.

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

Divide each side by '80'.
cosx = 0.0

Simplifying
cosx = 0.0

The solution to this equation could not be determined.

See similar equations:

| x^3-2x^2=O | | 9[-2x]=2[10-8x] | | Sin(x+60)=SIN(2X) | | 2y-4=-19-3y | | 5x-75=-25 | | x-0.4x=950 | | x-0.4x=900 | | x-0.4x=1100 | | 3t^2+14t^2+8t=0 | | 4x+60+40=180 | | 6x-4=38/x-5 | | x=3p^2 | | kx+15x= | | 6w^2=18w | | 4-3/X=6 | | 240/2000 | | 3x^2+7x-6=F(0) | | 10y-9y=7y-46 | | 3x^3+7x-6=F(0) | | 2x=13+14 | | 39=x^2/5.2 | | 8x-6+2x=5x-13 | | (a+32)(a-36)=0 | | 3x-6=2x-17 | | 2a+2b=2c | | Cosx/cos4x | | Cosx(2cosx+tgx)=1 | | 1.3=2y+10.9 | | 21/50-0.07= | | 2z-11=3z+13 | | x^2-y^2=12.25 | | 7/12=-5/x |

Equations solver categories