Cos^2x-6cosx+1=0

Simple and best practice solution for Cos^2x-6cosx+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 Cos^2x-6cosx+1=0 equation:


Simplifying
Cos2x + -6cosx + 1 = 0

Reorder the terms:
1 + -6cosx + os2xC = 0

Solving
1 + -6cosx + os2xC = 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 + -6cosx + -1 + os2xC = 0 + -1

Reorder the terms:
1 + -1 + -6cosx + os2xC = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -6cosx + os2xC = 0 + -1
-6cosx + os2xC = 0 + -1

Combine like terms: 0 + -1 = -1
-6cosx + os2xC = -1

Add '-1os2xC' to each side of the equation.
-6cosx + os2xC + -1os2xC = -1 + -1os2xC

Combine like terms: os2xC + -1os2xC = 0
-6cosx + 0 = -1 + -1os2xC
-6cosx = -1 + -1os2xC

Divide each side by '-6osx'.
c = 0.1666666667o-1s-1x-1 + 0.1666666667sC

Simplifying
c = 0.1666666667o-1s-1x-1 + 0.1666666667sC

See similar equations:

| 3(x+5)(x+5)=54 | | -4(2p+7)= | | 0=-5x^2+-40x-80 | | x+4=4(3x-1) | | 0=x^2-9x+19 | | o=2x^2+4-8 | | 6x+3=2x-17 | | ((v^2)-4v-32)/((4v^2)-8v-96) | | -7.8-(-10.6)=2.8 | | http://aplus.sccpss.com/R85Content/media/pictures/pa1anew/4_3_21qq.gif?ts=1466175676240 | | https://assessment.fcps.edu/uploads/422/Mathematics/Grade7/image4393256705500130935.jpg | | .75x=200 | | n+(-7)=20 | | 4x+5=x-6 | | 15c+2= | | 3(7t+8)= | | 3x=5y+40 | | -4x+4-2x=-2(3x+2-2) | | Y=70+40x | | 12n-6=90 | | Y=4x+70 | | 3x+21y=2 | | Y-20=0.75(x-4) | | 2x-3x+5x-7x= | | 5i/2-3i | | u/-4=-20 | | 1/2y-8=2 | | 2x+3y+5z=11 | | -12x+4y=9 | | 13=(1900-2q)/42 | | (4x+16y)2-432=0 | | -8q^6/4q^2= |

Equations solver categories