F(x)=4cos^2x-1

Simple and best practice solution for F(x)=4cos^2x-1 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 F(x)=4cos^2x-1 equation:


Simplifying
F(x) = 4cos2x + -1

Multiply F * x
xF = 4cos2x + -1

Reorder the terms:
xF = -1 + 4cos2x

Solving
xF = -1 + 4cos2x

Solving for variable 'x'.

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

Add '-4cos2x' to each side of the equation.
-4cos2x + xF = -1 + 4cos2x + -4cos2x

Combine like terms: 4cos2x + -4cos2x = 0
-4cos2x + xF = -1 + 0
-4cos2x + xF = -1

Reorder the terms:
1 + -4cos2x + xF = -1 + 1

Combine like terms: -1 + 1 = 0
1 + -4cos2x + xF = 0

The solution to this equation could not be determined.

See similar equations:

| 3f(4)=f(5) | | 1.5*5= | | 3x*6=4.5 | | 7x+11+2x+7=90 | | 0=2y^2+2y+5 | | 26=7(x-3)+2 | | 2/376+14= | | 3x-34=50 | | X+35=27 | | 12c=9 | | 5/4t=-4/5 | | 2.6*.6-6=y | | 5x-3=7x+7 | | 6(3x+6)=9(2x-4) | | 335-x+80x=2425 | | 5x+7x=6x+24 | | 5logx=15 | | 1/180 | | 4p-8+7p=14 | | 2.7(3.2+4x)=20.25 | | 2p+5=3p-8 | | log*(4*x+140)+log*(25)=4 | | x+4t=r | | 1/3p+7=12-(2/3)p | | -3(4x*7)=5x+6 | | (7n-3)(n+5)=0 | | -7x-28+8x=12+14 | | -w+1=w+3 | | 7x(x+3)=0 | | 3x+x+30+2x=180 | | 7.3x=146.0 | | log*(4*x+140)+log*25=4 |

Equations solver categories