4cos(2x-30)+2=0

Simple and best practice solution for 4cos(2x-30)+2=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-30)+2=0 equation: 


Simplifying
4cos(2x + -30) + 2 = 0

Reorder the terms:
4cos(-30 + 2x) + 2 = 0
(-30 * 4cos + 2x * 4cos) + 2 = 0
(-120cos + 8cosx) + 2 = 0

Reorder the terms:
2 + -120cos + 8cosx = 0

Solving
2 + -120cos + 8cosx = 0

Solving for variable 'c'.

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

Add '-2' to each side of the equation.
2 + -120cos + -2 + 8cosx = 0 + -2

Reorder the terms:
2 + -2 + -120cos + 8cosx = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -120cos + 8cosx = 0 + -2
-120cos + 8cosx = 0 + -2

Combine like terms: 0 + -2 = -2
-120cos + 8cosx = -2

Reorder the terms:
2 + -120cos + 8cosx = -2 + 2

Combine like terms: -2 + 2 = 0
2 + -120cos + 8cosx = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(1 + -60cos + 4cosx) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(1 + -60cos + 4cosx)' equal to zero and attempt to solve:

Simplifying
1 + -60cos + 4cosx = 0

Solving
1 + -60cos + 4cosx = 0

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

Add '-1' to each side of the equation.
1 + -60cos + -1 + 4cosx = 0 + -1

Reorder the terms:
1 + -1 + -60cos + 4cosx = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -60cos + 4cosx = 0 + -1
-60cos + 4cosx = 0 + -1

Combine like terms: 0 + -1 = -1
-60cos + 4cosx = -1

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:

| 3m=n+1 | | -4-3(5n+4)=40-7n | | 4+21x=9 | | 20-y=18 | | x-.2x=1090 | | 5m+4n-2m+7n= | | 21-2n=-7+6(n-6) | | X-7+4X+2=180 | | (40-x)x+255=0 | | (8i)(3i)-8= | | 15(b+2)+b+15=2b-9 | | 2=-8y+10y-20 | | x-3/4=4 | | -2(-c-8)=2c-8 | | 2(m+-3)=4n+1 | | 7(10-2x)=56 | | X+4y-6z=-1 | | 7x+6=72-4x | | 3x-3-4x-14= | | 4x=12-5x | | 4(b-1)=-4+46 | | 19-3c=2+4c+3 | | 5x+4(5x-9)=139 | | -14w=28 | | 3q/2+5=-7 | | x-.24=462.08 | | 15n+6-3n=-12 | | 3(3y-2)=50-y-8 | | 7+5x=7x-27 | | 6x+2(2x-11)=58 | | 2*25+4*x=102 | | 3-2z/5=-3 |

Equations solver categories