8cos^2x-2=0

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


Simplifying
8cos2x + -2 = 0

Reorder the terms:
-2 + 8cos2x = 0

Solving
-2 + 8cos2x = 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 + 2 + 8cos2x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 8cos2x = 0 + 2
8cos2x = 0 + 2

Combine like terms: 0 + 2 = 2
8cos2x = 2

Divide each side by '8os2x'.
c = 0.25o-1s-2x-1

Simplifying
c = 0.25o-1s-2x-1

See similar equations:

| sinx*sinx*-cosx*cosx+sinx=0 | | 3b^2-15b+30=0 | | 6x+6(x+5)=480 | | 2y^2-3x^2=18 | | 1w^2-10w+30=0 | | (3y+2xy+2x)dx+(6xy+x*x+3)dy=0 | | 190x+190y=-10 | | (-5-2i)+(5i)+(8i)= | | F(x)=x^2+7x-21 | | -20z-5z^2-24=-z^2 | | F(x+3)=x^2+7x-21 | | -4x^2=-y-15x^2 | | an=7n+1 | | 2(5x+2)=5x-1 | | y=3*3*3 | | 28+4x=-36 | | y=.5*.5*.5*.5*.5 | | (x+3)=x^2+kx-21 | | -14y+6x^2=-15y+2 | | 5x+3=59-4x | | -5=14+z | | x+5*2=y+3 | | 5x+20=5x+5 | | -5=14+2 | | 13=5(u+5)-8u | | (-4-3i)(-5+4i)= | | 7x^8=0 | | 4t+6=13+3t | | 20x-16=4x+x | | 2c^2=3c+4 | | -6+y=4 | | (7m-4)(3m+1)= |

Equations solver categories