cos(x)-0.8x^2=0

Simple and best practice solution for cos(x)-0.8x^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 cos(x)-0.8x^2=0 equation:


Simplifying
cos(x) + -0.8x2 = 0

Multiply cos * x
cosx + -0.8x2 = 0

Solving
cosx + -0.8x2 = 0

Solving for variable 'c'.

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

Add '0.8x2' to each side of the equation.
cosx + -0.8x2 + 0.8x2 = 0 + 0.8x2

Combine like terms: -0.8x2 + 0.8x2 = 0.0
cosx + 0.0 = 0 + 0.8x2
cosx = 0 + 0.8x2
Remove the zero:
cosx = 0.8x2

Divide each side by 'osx'.
c = 0.8o-1s-1x

Simplifying
c = 0.8o-1s-1x

See similar equations:

| -x^2+8x=10 | | Lgx=-3 | | -10x+9=12 | | 6x+4=6x+20 | | 10x^4-21x^2+4=0 | | Sen2x=2/2 | | 60=x^2 | | 4(f+5)=120 | | -6(x+3)-2=-38 | | 3(-4)+2y=-11 | | 25=1+3u | | 2(3-5x)+8x=-35 | | -20=16y | | x^2-11x+19=(-5) | | z^2=12+16i | | 5(x-5/)=4(x-3/4) | | 4(s+2)-4= | | 3(x-8)=-54 | | X+(x+2)+3=(x+1)+50 | | 3x(-3)=36 | | 2x-6=x+24 | | 2(-2y+3)=26 | | 3(-5)-2y=-11 | | 10+11x=-12 | | 4b-9b=-35 | | 2(x-2)-6=2 | | 4(3)-6y=-18 | | 3a+12=6a-8-5a | | 9(2)-5y=-2 | | -7x+1=-22 | | 7(-1)+3y=2 | | t/3=5.2 |

Equations solver categories