4cos^2x+cos(x)=0

Simple and best practice solution for 4cos^2x+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 4cos^2x+cos(x)=0 equation:


Simplifying
4cos2x + cos(x) = 0

Multiply cos * x
4cos2x + cosx = 0

Reorder the terms:
cosx + 4cos2x = 0

Solving
cosx + 4cos2x = 0

Solving for variable 'c'.

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

Factor out the Greatest Common Factor (GCF), 'cosx'.
cosx(1 + 4s) = 0

Subproblem 1

Set the factor 'cosx' equal to zero and attempt to solve: Simplifying cosx = 0 Solving cosx = 0 Move all terms containing c to the left, all other terms to the right. Simplifying cosx = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(1 + 4s)' equal to zero and attempt to solve: Simplifying 1 + 4s = 0 Solving 1 + 4s = 0 Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 4s = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4s = 0 + -1 4s = 0 + -1 Combine like terms: 0 + -1 = -1 4s = -1 Add '-4s' to each side of the equation. 4s + -4s = -1 + -4s Combine like terms: 4s + -4s = 0 0 = -1 + -4s Simplifying 0 = -1 + -4s The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| Y=3x+1200 | | 9+21lnx=2 | | 0.05/x=2 | | .7x-1.5=1.3 | | 8+2(4x-6)=-2(7x-3)+4x | | -2x+5+6x=2(2x-4) | | 7x^2+3x-42=0 | | 0=-2x-1.5 | | -3(2x-1)=4+6x-2 | | 8x(x-5)=(2x+7)(x-5) | | x^4+20x^2+16x-1=0 | | 6-4x+3x=12 | | 6m-7-4m-16=-16 | | x^2+20x^2+16x-1=0 | | -3x+4-1x=5x-5 | | -6=5-3a | | (y-x)dx-(y+x)dy=0 | | m/7=3/35 | | 6logx+3=11-logx | | (5n+16)+(5n+10)=180 | | -30x+6k-6(4x-6)= | | (2-z)(3z+8)=0 | | y=4x+43 | | 9(x-5)=6(x+5) | | 8x+64=36 | | 10x-19=y+15 | | -8=32-5b | | 5v^2+4v=1 | | X-4/5=19/10 | | 4b-4=5d-8 | | 35=-2n-15 | | 110+0.2(x)=120 |

Equations solver categories