Cosx-2cos^2x=0

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


Simplifying
Cosx + -2cos2x = 0

Reorder the terms:
-2cos2x + osxC = 0

Solving
-2cos2x + osxC = 0

Solving for variable 'c'.

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

Add '-1osxC' to each side of the equation.
-2cos2x + osxC + -1osxC = 0 + -1osxC

Combine like terms: osxC + -1osxC = 0
-2cos2x + 0 = 0 + -1osxC
-2cos2x = 0 + -1osxC
Remove the zero:
-2cos2x = -1osxC

Divide each side by '-2os2x'.
c = 0.5s-1C

Simplifying
c = 0.5s-1C

See similar equations:

| a(n)=16/3(3/2)^n-1 | | (7y^2-2)(2y^2-1)= | | 3x+1=6x+16 | | -6(4p+7)=-138 | | 3s^4+14s^3+22s^2+16s+4=0 | | -6(7p+3)=-354 | | 4^5-9x=1/8×^-2 | | x=3-11 | | P=2x+2(6) | | 3*2+16=0 | | 3*2+16= | | (3x+4)(5-2x)=0 | | cos(y)=7*cos(x) | | 150+3x-15=180 | | 4X+6=12-3X | | 3x+y-5z=37 | | x=(1/4x) | | 2x/10=20 | | (x^4/-3z^3)^4 | | (3x+y)(4x-2y)= | | 70/150 | | 9-2y=3x | | -4-(3-4n)=5+6n | | 3+x=2-3x | | 4x^2+41x-33=0 | | x+2x+1=3x+2+5 | | x+(90-x)=180 | | 2(p+9)=-10 | | (18x^2)+26x+1=0 | | 4x^3-16x^2+27=0 | | 30=12x-48 | | 3+9n=2 |

Equations solver categories