4-8cos^2(x)=0

Simple and best practice solution for 4-8cos^2(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 4-8cos^2(x)=0 equation: 


Simplifying
4 + -8cos2(x) = 0

Multiply cos2 * x
4 + -8cos2x = 0

Solving
4 + -8cos2x = 0

Solving for variable 'c'.

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

Add '-4' to each side of the equation.
4 + -4 + -8cos2x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -8cos2x = 0 + -4
-8cos2x = 0 + -4

Combine like terms: 0 + -4 = -4
-8cos2x = -4

Divide each side by '-8os2x'.
c = 0.5o-1s-2x-1

Simplifying
c = 0.5o-1s-2x-1

See similar equations:

| 48=8(1x+2) | | 42x+6=44x | | x^3+(-343)=0 | | 6(a+2)-3=-2(1-3a) | | 4x+6=-2(2x-3) | | y=6.50x | | -4v+24=-4(v-6) | | M+11.7=-5.8 | | 7a-8(5b)-3(4a)-6(3b)= | | 7+10(b-10)=-2+9(b-10) | | 3y-20=4x+12 | | 6-3a+4a= | | -x+23=-7(6+2x) | | 3y+5(9y-1)+12= | | 20.8=21x-4.9x^2 | | -4(m+5)-7=-3m-32 | | 1-5-1= | | 2r-3/4=1 | | 3x+13=7y | | 4=6x-5x+4 | | -2(x-10)=-12-2(3x-12) | | 14=b+4 | | 11x+10(-x+4)=2(x-1)+42 | | 2r-6+5t=3-r+7 | | 3ln(x-1)=1 | | f(-x)=x^2+5x-1 | | 12(x-9)=-6-6 | | t^2+28t=-29 | | -8+4(2-4v)=8(v+3) | | 5(1n+2)=7n+20 | | 5u-6+4(2u+1)=-3(u+4) | | 9(x+5)+x=-7-x |

Equations solver categories