3cos(4x)-1=0

Simple and best practice solution for 3cos(4x)-1=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 3cos(4x)-1=0 equation:


Simplifying
3cos(4x) + -1 = 0

Remove parenthesis around (4x)
3cos * 4x + -1 = 0

Reorder the terms for easier multiplication:
3 * 4cos * x + -1 = 0

Multiply 3 * 4
12cos * x + -1 = 0

Multiply cos * x
12cosx + -1 = 0

Reorder the terms:
-1 + 12cosx = 0

Solving
-1 + 12cosx = 0

Solving for variable 'c'.

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

Add '1' to each side of the equation.
-1 + 1 + 12cosx = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 12cosx = 0 + 1
12cosx = 0 + 1

Combine like terms: 0 + 1 = 1
12cosx = 1

Divide each side by '12osx'.
c = 0.08333333333o-1s-1x-1

Simplifying
c = 0.08333333333o-1s-1x-1

See similar equations:

| 6s/6=31.2/6 | | h=-16t^2-32t+128 | | 4x/14=14x/7 | | =12-3x | | 96=(x+8)(x-2)(x) | | P(t)=2.9+0.08t | | (6*4)-2+x= | | 8d+3(2d+7)=71 | | 10.5/a=3.5 | | 9x-25y= | | w+7+2w+w+7+2w=104 | | 5vsquared-20v+15=0 | | -1-2x-3x=-16 | | X^2+y^2+28x-28y+196=0 | | 6x-11y/8x-2x-8y/8x | | 10*12+y*18=372 | | -9u+16=3 | | X^2-7x+25=3x | | (-1.6)-4/2 | | 25x+40x= | | 20000-2.5x=0 | | 12-6i= | | (X)(2x+7)=240 | | -9v+3=-6 | | 24w-16w= | | X^7-28x^6=-48x^5 | | 95=2x+41 | | 20*4=N*5 | | 1/6(x-3)1/4(2x-1) | | 5s=s+15 | | x(2-4x)+x(2z+5x)= | | 300-2.5d=7.5d+100 |

Equations solver categories